1111402124112 has 80 divisors (see below), whose sum is σ = 3474299094912. Its totient is φ = 298864435200.

The previous prime is 1111402124089. The next prime is 1111402124137. The reversal of 1111402124112 is 2114212041111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 97280889 + ... + 97292312.

Almost surely, 2^{1111402124112} is an apocalyptic number.

1111402124112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111402124112 is an abundant number, since it is smaller than the sum of its proper divisors (2362896970800).

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

1111402124112 is a wasteful number, since it uses less digits than its factorization.

1111402124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194573236 (or 194573230 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 1111402124112 its reverse (2114212041111), we get a palindrome (3225614165223).

The spelling of 1111402124112 in words is "one trillion, one hundred eleven billion, four hundred two million, one hundred twenty-four thousand, one hundred twelve".