21102814296 has 48 divisors (see below), whose sum is σ = 57245908200. Its totient is φ = 7022892672.

The previous prime is 21102814277. The next prime is 21102814333. The reversal of 21102814296 is 69241820112.

It is a super-2 number, since 2×21102814296² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 21102814296.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192181 + ... + 281316.

Almost surely, 2^21102814296 is an apocalyptic number.

It is an amenable number.

21102814296 is an abundant number, since it is smaller than the sum of its proper divisors (36143093904).

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

21102814296 is a wasteful number, since it uses less digits than its factorization.

21102814296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474128 (or 474121 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 21102814296 in words is "twenty-one billion, one hundred two million, eight hundred fourteen thousand, two hundred ninety-six".