21112110092 has 12 divisors (see below), whose sum is σ = 37009137480. Its totient is φ = 10538070816.

The previous prime is 21112110037. The next prime is 21112110109. The reversal of 21112110092 is 29001121112.

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, 4493417 + ... + 4498112.

It is an arithmetic number, because the mean of its divisors is an integer number (3084094790).

Almost surely, 2^21112110092 is an apocalyptic number.

It is an amenable number.

21112110092 is a deficient number, since it is larger than the sum of its proper divisors (15897027388).

21112110092 is a wasteful number, since it uses less digits than its factorization.

21112110092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8992120 (or 8992118 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 21112110092 in words is "twenty-one billion, one hundred twelve million, one hundred ten thousand, ninety-two".