21112032986 has 32 divisors (see below), whose sum is σ = 34724116800. Its totient is φ = 9547274880.

The previous prime is 21112032983. The next prime is 21112033009. The reversal of 21112032986 is 68923021112.

It is not an unprimeable number, because it can be changed into a prime (21112032983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5081486 + ... + 5085638.

It is an arithmetic number, because the mean of its divisors is an integer number (1085128650).

Almost surely, 2^21112032986 is an apocalyptic number.

21112032986 is a deficient number, since it is larger than the sum of its proper divisors (13612083814).

21112032986 is a wasteful number, since it uses less digits than its factorization.

21112032986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 21112032986 in words is "twenty-one billion, one hundred twelve million, thirty-two thousand, nine hundred eighty-six".