101122222020012 has 72 divisors (see below), whose sum is σ = 255852377691456. Its totient is φ = 33676042032864.

The previous prime is 101122222019993. The next prime is 101122222020049. The reversal of 101122222020012 is 210020222221101.

It is a happy number.

101122222020012 is a `hidden beast` number, since 1 + 0 + 11 + 222 + 220 + 200 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1889860963 + ... + 1889914469.

Almost surely, 2^{101122222020012} is an apocalyptic number.

101122222020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101122222020012 is an abundant number, since it is smaller than the sum of its proper divisors (154730155671444).

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

101122222020012 is a wasteful number, since it uses less digits than its factorization.

101122222020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101387 (or 101382 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101122222020012 its reverse (210020222221101), we get a palindrome (311142444241113).

The spelling of 101122222020012 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, twelve".