22521112120434 has 32 divisors (see below), whose sum is σ = 47691972265536. Its totient is φ = 7065416506880.

The previous prime is 22521112120387. The next prime is 22521112120453. The reversal of 22521112120434 is 43402121112522.

It is a super-2 number, since 2×22521112120434² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40789654 + ... + 41338094.

It is an arithmetic number, because the mean of its divisors is an integer number (1490374133298).

Almost surely, 2^{22521112120434} is an apocalyptic number.

22521112120434 is an abundant number, since it is smaller than the sum of its proper divisors (25170860145102).

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

22521112120434 is a wasteful number, since it uses less digits than its factorization.

22521112120434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951050.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 22521112120434 its reverse (43402121112522), we get a palindrome (65923233232956).

The spelling of 22521112120434 in words is "twenty-two trillion, five hundred twenty-one billion, one hundred twelve million, one hundred twenty thousand, four hundred thirty-four".