110556021912 has 64 divisors (see below), whose sum is σ = 319680103680. Its totient is φ = 31206859392.

The previous prime is 110556021859. The next prime is 110556021967. The reversal of 110556021912 is 219120655011.

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, 3950343 + ... + 3978230.

It is an arithmetic number, because the mean of its divisors is an integer number (4995001620).

Almost surely, 2^110556021912 is an apocalyptic number.

110556021912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110556021912 is an abundant number, since it is smaller than the sum of its proper divisors (209124081768).

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

110556021912 is a wasteful number, since it uses less digits than its factorization.

110556021912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928672 (or 7928668 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 110556021912 its reverse (219120655011), we get a palindrome (329676676923).

The spelling of 110556021912 in words is "one hundred ten billion, five hundred fifty-six million, twenty-one thousand, nine hundred twelve".