22501301242120 has 32 divisors (see below), whose sum is σ = 50997474725400. Its totient is φ = 8934823264768.

The previous prime is 22501301242109. The next prime is 22501301242129. The reversal of 22501301242120 is 2124210310522.

It can be written as a sum of positive squares in 4 ways, for example, as 16040137140196 + 6461164101924 = 4005014^2 + 2541882^2 .

It is not an unprimeable number, because it can be changed into a prime (22501301242129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053032955 + ... + 2053043914.

Almost surely, 2^{22501301242120} is an apocalyptic number.

22501301242120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22501301242120 is an abundant number, since it is smaller than the sum of its proper divisors (28496173483280).

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

22501301242120 is a wasteful number, since it uses less digits than its factorization.

22501301242120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106077017 (or 4106077013 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 22501301242120 its reverse (2124210310522), we get a palindrome (24625511552642).

The spelling of 22501301242120 in words is "twenty-two trillion, five hundred one billion, three hundred one million, two hundred forty-two thousand, one hundred twenty".