22112210122120 has 32 divisors (see below), whose sum is σ = 49753158701400. Its totient is φ = 8844762106368.

The previous prime is 22112210122069. The next prime is 22112210122127. The reversal of 22112210122120 is 2122101221122.

It can be written as a sum of positive squares in 4 ways, for example, as 21039780043396 + 1072430078724 = 4586914^2 + 1035582^2 .

It is not an unprimeable number, because it can be changed into a prime (22112210122127) 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, 844605 + ... + 6703564.

Almost surely, 2^{22112210122120} is an apocalyptic number.

22112210122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112210122120 is an abundant number, since it is smaller than the sum of its proper divisors (27640948579280).

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

22112210122120 is a wasteful number, since it uses less digits than its factorization.

22112210122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621417 (or 7621413 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22112210122120 its reverse (2122101221122), we get a palindrome (24234311343242).

The spelling of 22112210122120 in words is "twenty-two trillion, one hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty".