101132021100 has 72 divisors (see below), whose sum is σ = 319209444288. Its totient is φ = 24516852800.

The previous prime is 101132021099. The next prime is 101132021113. The reversal of 101132021100 is 1120231101.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15319734 + ... + 15326333.

It is an arithmetic number, because the mean of its divisors is an integer number (4433464504).

Almost surely, 2^101132021100 is an apocalyptic number.

101132021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101132021100 is an abundant number, since it is smaller than the sum of its proper divisors (218077423188).

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

101132021100 is a wasteful number, since it uses less digits than its factorization.

101132021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30646095 (or 30646088 counting only the distinct ones).

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

Adding to 101132021100 its reverse (1120231101), we get a palindrome (102252252201).

The spelling of 101132021100 in words is "one hundred one billion, one hundred thirty-two million, twenty-one thousand, one hundred".