22121112134124 has 72 divisors (see below), whose sum is σ = 58155379184448. Its totient is φ = 7352454065040.

The previous prime is 22121112134123. The next prime is 22121112134153. The reversal of 22121112134124 is 42143121112122.

22121112134124 is a `hidden beast` number, since 2 + 2 + 1 + 21 + 11 + 213 + 412 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22121112134123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32455722 + ... + 33130289.

It is an arithmetic number, because the mean of its divisors is an integer number (807713599784).

Almost surely, 2^{22121112134124} is an apocalyptic number.

It is an amenable number.

22121112134124 is an abundant number, since it is smaller than the sum of its proper divisors (36034267050324).

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

22121112134124 is a wasteful number, since it uses less digits than its factorization.

22121112134124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65586377 (or 65586363 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 22121112134124 its reverse (42143121112122), we get a palindrome (64264233246246).

The spelling of 22121112134124 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twelve million, one hundred thirty-four thousand, one hundred twenty-four".