22100101122020 has 12 divisors (see below), whose sum is σ = 46410212356284. Its totient is φ = 8840040448800.

The previous prime is 22100101122013. The next prime is 22100101122037. The reversal of 22100101122020 is 2022110100122.

It can be written as a sum of positive squares in 2 ways, for example, as 10559731181476 + 11540369940544 = 3249574^2 + 3397112^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22100101121986 and 22100101122004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552502528031 + ... + 552502528070.

It is an arithmetic number, because the mean of its divisors is an integer number (3867517696357).

Almost surely, 2^{22100101122020} is an apocalyptic number.

22100101122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100101122020 is an abundant number, since it is smaller than the sum of its proper divisors (24310111234264).

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

22100101122020 is a wasteful number, since it uses less digits than its factorization.

22100101122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105005056110 (or 1105005056108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100101122020 its reverse (2022110100122), we get a palindrome (24122211222142).

The spelling of 22100101122020 in words is "twenty-two trillion, one hundred billion, one hundred one million, one hundred twenty-two thousand, twenty".