22100212120120 has 16 divisors (see below), whose sum is σ = 49725477270360. Its totient is φ = 8840084848032.

The previous prime is 22100212120099. The next prime is 22100212120153. The reversal of 22100212120120 is 2102121200122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100212120094 and 22100212120103.

It is a congruent number.

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, 276252651462 + ... + 276252651541.

Almost surely, 2^{22100212120120} is an apocalyptic number.

22100212120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100212120120 is an abundant number, since it is smaller than the sum of its proper divisors (27625265150240).

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

22100212120120 is a wasteful number, since it uses less digits than its factorization.

22100212120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552505303014 (or 552505303010 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22100212120120 its reverse (2102121200122), we get a palindrome (24202333320242).

The spelling of 22100212120120 in words is "twenty-two trillion, one hundred billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".