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2122012121110 = 2572313110061221
BaseRepresentation
bin11110111000010001110…
…001110101100000010110
321111212021200011210201121
4132320101301311200112
5234231340100333420
64302501112114154
7306211303264540
oct36702161654026
97455250153647
102122012121110
11748a38581312
122a331569595a
1312514957ac3b
14749c5128690
153a2e993c2aa
hex1ee11c75816

2122012121110 has 64 divisors (see below), whose sum is σ = 4589848986624. Its totient is φ = 690602140800.

The previous prime is 2122012121081. The next prime is 2122012121111. The reversal of 2122012121110 is 111212102212.

It is a super-2 number, since 2×21220121211102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4819701 + ... + 5241520.

It is an arithmetic number, because the mean of its divisors is an integer number (71716390416).

Almost surely, 22122012121110 is an apocalyptic number.

2122012121110 is an abundant number, since it is smaller than the sum of its proper divisors (2467836865514).

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

2122012121110 is a wasteful number, since it uses less digits than its factorization.

2122012121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061389.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2122012121110 its reverse (111212102212), we get a palindrome (2233224223322).

The spelling of 2122012121110 in words is "two trillion, one hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 131 161 230 262 322 655 805 917 1310 1610 1834 3013 4585 6026 9170 15065 21091 30130 42182 105455 210910 10061221 20122442 50306105 70428547 100612210 140857094 231408083 352142735 462816166 704285470 1157040415 1318019951 1619856581 2314080830 2636039902 3239713162 6590099755 8099282905 9226139657 13180199510 16198565810 18452279314 30314458873 46130698285 60628917746 92261396570 151572294365 212201212111 303144588730 424402424222 1061006060555 2122012121110