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1111131442212 = 2231177271089383
BaseRepresentation
bin10000001010110100100…
…110000100110000100100
310221020000122211121210020
4100022310212010300210
5121201044122122322
62210240254555140
7143163605265561
oct20126446046044
93836018747706
101111131442212
11399256806310
1215b417808ab0
1380a1900497c
143bac99d1868
151dd82d5605c
hex102b4984c24

1111131442212 has 48 divisors (see below), whose sum is σ = 2828703209472. Its totient is φ = 336662613280.

The previous prime is 1111131442189. The next prime is 1111131442243. The reversal of 1111131442212 is 2122441311111.

It is a super-2 number, since 2×11111314422122 (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475273 + ... + 1564655.

It is an arithmetic number, because the mean of its divisors is an integer number (58931316864).

Almost surely, 21111131442212 is an apocalyptic number.

1111131442212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111131442212 is an abundant number, since it is smaller than the sum of its proper divisors (1717571767260).

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

1111131442212 is a wasteful number, since it uses less digits than its factorization.

1111131442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097128 (or 1097126 counting only the distinct ones).

The product of its digits is 384, while the sum is 24.

Adding to 1111131442212 its reverse (2122441311111), we get a palindrome (3233572753323).

The spelling of 1111131442212 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, four hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 7727 15454 23181 30908 46362 84997 92724 169994 254991 339988 509982 1019964 1089383 2178766 3268149 4357532 6536298 11983213 13072596 23966426 35949639 47932852 71899278 143798556 8417662441 16835324882 25252987323 33670649764 50505974646 92594286851 101011949292 185188573702 277782860553 370377147404 555565721106 1111131442212