21130107000 has 64 divisors (see below), whose sum is σ = 65925943200. Its totient is φ = 5634694400.

The previous prime is 21130106999. The next prime is 21130107059. The reversal of 21130107000 is 70103112.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 3518685 + ... + 3524684.

Almost surely, 2^21130107000 is an apocalyptic number.

21130107000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130107000 is an abundant number, since it is smaller than the sum of its proper divisors (44795836200).

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

21130107000 is a wasteful number, since it uses less digits than its factorization.

21130107000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7043393 (or 7043379 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The spelling of 21130107000 in words is "twenty-one billion, one hundred thirty million, one hundred seven thousand".