100131102021000 has 128 divisors (see below), whose sum is σ = 312649180421760. Its totient is φ = 26681102240000.

The previous prime is 100131102020959. The next prime is 100131102021001. The reversal of 100131102021000 is 120201131001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (100131102021001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8924454 + ... + 16730453.

It is an arithmetic number, because the mean of its divisors is an integer number (2442571722045).

Almost surely, 2^{100131102021000} is an apocalyptic number.

100131102021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100131102021000 is an abundant number, since it is smaller than the sum of its proper divisors (212518078400760).

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

100131102021000 is a wasteful number, since it uses less digits than its factorization.

100131102021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25656232 (or 25656218 counting only the distinct ones).

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

Adding to 100131102021000 its reverse (120201131001), we get a palindrome (100251303152001).

The spelling of 100131102021000 in words is "one hundred trillion, one hundred thirty-one billion, one hundred two million, twenty-one thousand".