111020011111112 has 16 divisors (see below), whose sum is σ = 208162893353100. Its totient is φ = 55509906216960.

The previous prime is 111020011111099. The next prime is 111020011111123. The reversal of 111020011111112 is 211111110020111.

It can be written as a sum of positive squares in 2 ways, for example, as 92193142179076 + 18826868932036 = 9601726^2 + 4338994^2 .

It is a super-2 number, since 2×111020011111112² (a number of 29 digits) contains 22 as substring.

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, 7555589 + ... + 16707092.

Almost surely, 2^{111020011111112} is an apocalyptic number.

It is an amenable number.

111020011111112 is a deficient number, since it is larger than the sum of its proper divisors (97142882241988).

111020011111112 is a wasteful number, since it uses less digits than its factorization.

111020011111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24834656 (or 24834652 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 111020011111112 its reverse (211111110020111), we get a palindrome (322131121131223).

The spelling of 111020011111112 in words is "one hundred eleven trillion, twenty billion, eleven million, one hundred eleven thousand, one hundred twelve".