21070113000 has 64 divisors (see below), whose sum is σ = 65738761920. Its totient is φ = 5618696000.

The previous prime is 21070112969. The next prime is 21070113017. The reversal of 21070113000 is 31107012.

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

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 15 ways as a sum of consecutive naturals, for example, 3508686 + ... + 3514685.

It is an arithmetic number, because the mean of its divisors is an integer number (1027168155).

Almost surely, 2^21070113000 is an apocalyptic number.

21070113000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21070113000 is an abundant number, since it is smaller than the sum of its proper divisors (44668648920).

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

21070113000 is a wasteful number, since it uses less digits than its factorization.

21070113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023395 (or 7023381 counting only the distinct ones).

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

The spelling of 21070113000 in words is "twenty-one billion, seventy million, one hundred thirteen thousand".