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2010111221112 = 2331743937122279
BaseRepresentation
bin11101010000000011111…
…101110001110101111000
321010011110002220002202220
4131100003331301311320
5230413201433033422
64135233215324040
7265140300315561
oct35200375616570
97104402802686
102010111221112
11705535420975
122856a6220620
131177252c3947
146d40b6c5168
153744aa09e5c
hex1d403f71d78

2010111221112 has 128 divisors (see below), whose sum is σ = 5450479372800. Its totient is φ = 615295070208.

The previous prime is 2010111221099. The next prime is 2010111221161. The reversal of 2010111221112 is 2111221110102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2010111221091 and 2010111221100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16377589 + ... + 16499867.

It is an arithmetic number, because the mean of its divisors is an integer number (42581870100).

Almost surely, 22010111221112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010111221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725239686400).

2010111221112 is an abundant number, since it is smaller than the sum of its proper divisors (3440368151688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2010111221112 is a wasteful number, since it uses less digits than its factorization.

2010111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123285 (or 123281 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2010111221112 its reverse (2111221110102), we get a palindrome (4121332331214).

The spelling of 2010111221112 in words is "two trillion, ten billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 43 51 68 86 102 129 136 172 204 258 344 408 516 731 937 1032 1462 1874 2193 2811 2924 3748 4386 5622 5848 7496 8772 11244 15929 17544 22488 31858 40291 47787 63716 80582 95574 120873 122279 127432 161164 191148 241746 244558 322328 366837 382296 483492 489116 684947 733674 966984 978232 1369894 1467348 2054841 2078743 2739788 2934696 4109682 4157486 5257997 5479576 6236229 8219364 8314972 10515994 12472458 15773991 16438728 16629944 21031988 24944916 31547982 42063976 49889832 63095964 89385949 114575423 126191928 178771898 229150846 268157847 343726269 357543796 458301692 536315694 687452538 715087592 916603384 1072631388 1374905076 1947782191 2145262776 2749810152 3895564382 4926743189 5843346573 7791128764 9853486378 11686693146 14780229567 15582257528 19706972756 23373386292 29560459134 39413945512 46746772584 59120918268 83754634213 118241836536 167509268426 251263902639 335018536852 502527805278 670037073704 1005055610556 2010111221112