111010020112 has 40 divisors (see below), whose sum is σ = 225315043200. Its totient is φ = 52912659072.

The previous prime is 111010020097. The next prime is 111010020127. The reversal of 111010020112 is 211020010111.

It is an interprime number because it is at equal distance from previous prime (111010020097) and next prime (111010020127).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1477558 + ... + 1550869.

It is an arithmetic number, because the mean of its divisors is an integer number (5632876080).

Almost surely, 2^111010020112 is an apocalyptic number.

It is an amenable number.

111010020112 is an abundant number, since it is smaller than the sum of its proper divisors (114305023088).

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

111010020112 is a wasteful number, since it uses less digits than its factorization.

111010020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028543 (or 3028537 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111010020112 its reverse (211020010111), we get a palindrome (322030030223).

The spelling of 111010020112 in words is "one hundred eleven billion, ten million, twenty thousand, one hundred twelve".