22021112120120 has 64 divisors (see below), whose sum is σ = 49931724585600. Its totient is φ = 8740154816640.

The previous prime is 22021112120093. The next prime is 22021112120129. The reversal of 22021112120120 is 2102121112022.

It is a super-2 number, since 2×22021112120120² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021112120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44118911 + ... + 44615249.

It is an arithmetic number, because the mean of its divisors is an integer number (780183196650).

Almost surely, 2^{22021112120120} is an apocalyptic number.

22021112120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021112120120 is an abundant number, since it is smaller than the sum of its proper divisors (27910612465480).

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

22021112120120 is a wasteful number, since it uses less digits than its factorization.

22021112120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504948 (or 504944 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22021112120120 its reverse (2102121112022), we get a palindrome (24123233232142).

The spelling of 22021112120120 in words is "twenty-two trillion, twenty-one billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty".