101122211100 has 36 divisors (see below), whose sum is σ = 292580264984. Its totient is φ = 26965922880.

The previous prime is 101122211089. The next prime is 101122211101. The reversal of 101122211100 is 1112221101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122211101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168536719 + ... + 168537318.

Almost surely, 2^101122211100 is an apocalyptic number.

101122211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101122211100 is an abundant number, since it is smaller than the sum of its proper divisors (191458053884).

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

101122211100 is a wasteful number, since it uses less digits than its factorization.

101122211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337074054 (or 337074047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101122211100 its reverse (1112221101), we get a palindrome (102234432201).

The spelling of 101122211100 in words is "one hundred one billion, one hundred twenty-two million, two hundred eleven thousand, one hundred".