121111010020112 has 40 divisors (see below), whose sum is σ = 268177209345792. Its totient is φ = 51904170835200.

The previous prime is 121111010020043. The next prime is 121111010020211. The reversal of 121111010020112 is 211020010111121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5044937 + ... + 16360727.

Almost surely, 2^{121111010020112} is an apocalyptic number.

It is an amenable number.

121111010020112 is an abundant number, since it is smaller than the sum of its proper divisors (147066199325680).

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

121111010020112 is a wasteful number, since it uses less digits than its factorization.

121111010020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411367 (or 11411361 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121111010020112 its reverse (211020010111121), we get a palindrome (332131020131233).

The spelling of 121111010020112 in words is "one hundred twenty-one trillion, one hundred eleven billion, ten million, twenty thousand, one hundred twelve".