111110211012012 has 48 divisors (see below), whose sum is σ = 259675048453632. Its totient is φ = 36977045037120.

The previous prime is 111110211011993. The next prime is 111110211012013. The reversal of 111110211012012 is 210210112011111.

It is a super-2 number, since 2×111110211012012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111110211011982 and 111110211012000.

It is not an unprimeable number, because it can be changed into a prime (111110211012013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139083837 + ... + 139880427.

It is an arithmetic number, because the mean of its divisors is an integer number (5409896842784).

Almost surely, 2^{111110211012012} is an apocalyptic number.

111110211012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110211012012 is an abundant number, since it is smaller than the sum of its proper divisors (148564837441620).

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

111110211012012 is a wasteful number, since it uses less digits than its factorization.

111110211012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815318 (or 815316 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111110211012012 its reverse (210210112011111), we get a palindrome (321320323023123).

Subtracting 111110211012012 from its reverse (210210112011111), we obtain a palindrome (99099900999099).

The spelling of 111110211012012 in words is "one hundred eleven trillion, one hundred ten billion, two hundred eleven million, twelve thousand, twelve".