111010121101012 has 12 divisors (see below), whose sum is σ = 222020242202080. Its totient is φ = 47575766186136.

The previous prime is 111010121100929. The next prime is 111010121101021. The reversal of 111010121101012 is 210101121010111.

111010121101012 is an admirable number.

It is a super-2 number, since 2×111010121101012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111010121100983 and 111010121101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982323591062 + ... + 1982323591117.

Almost surely, 2^{111010121101012} is an apocalyptic number.

It is an amenable number.

111010121101012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111010121101012 is a wasteful number, since it uses less digits than its factorization.

111010121101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964647182190 (or 3964647182188 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111010121101012 its reverse (210101121010111), we get a palindrome (321111242111123).

Subtracting 111010121101012 from its reverse (210101121010111), we obtain a palindrome (99090999909099).

The spelling of 111010121101012 in words is "one hundred eleven trillion, ten billion, one hundred twenty-one million, one hundred one thousand, twelve".