101122131100 has 18 divisors (see below), whose sum is σ = 219435024704. Its totient is φ = 40448852400.

The previous prime is 101122131079. The next prime is 101122131137. The reversal of 101122131100 is 1131221101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505610556 + ... + 505610755.

Almost surely, 2^101122131100 is an apocalyptic number.

101122131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122131100 is an abundant number, since it is smaller than the sum of its proper divisors (118312893604).

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

101122131100 is a wasteful number, since it uses less digits than its factorization.

101122131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011221325 (or 1011221318 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101122131100 its reverse (1131221101), we get a palindrome (102253352201).

Subtracting from 101122131100 its reverse (1131221101), we obtain a palindrome (99990909999).

The spelling of 101122131100 in words is "one hundred one billion, one hundred twenty-two million, one hundred thirty-one thousand, one hundred".