100131021210 has 64 divisors (see below), whose sum is σ = 262241504640. Its totient is φ = 24266753280.

The previous prime is 100131021197. The next prime is 100131021251. The reversal of 100131021210 is 12120131001.

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, 1073604 + ... + 1163136.

It is an arithmetic number, because the mean of its divisors is an integer number (4097523510).

Almost surely, 2^100131021210 is an apocalyptic number.

100131021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100131021210 is an abundant number, since it is smaller than the sum of its proper divisors (162110483430).

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

100131021210 is a wasteful number, since it uses less digits than its factorization.

100131021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92943.

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

Adding to 100131021210 its reverse (12120131001), we get a palindrome (112251152211).

The spelling of 100131021210 in words is "one hundred billion, one hundred thirty-one million, twenty-one thousand, two hundred ten".