100021002130 has 64 divisors (see below), whose sum is σ = 216639360000. Its totient is φ = 32480146368.

The previous prime is 100021002113. The next prime is 100021002143. The reversal of 100021002130 is 31200120001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8371701 + ... + 8383639.

It is an arithmetic number, because the mean of its divisors is an integer number (3384990000).

Almost surely, 2^100021002130 is an apocalyptic number.

100021002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021002130 is an abundant number, since it is smaller than the sum of its proper divisors (116618357870).

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

100021002130 is a wasteful number, since it uses less digits than its factorization.

100021002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18271.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100021002130 its reverse (31200120001), we get a palindrome (131221122131).

The spelling of 100021002130 in words is "one hundred billion, twenty-one million, two thousand, one hundred thirty".