22122120121010 has 64 divisors (see below), whose sum is σ = 50051749450752. Its totient is φ = 6852322814976.

The previous prime is 22122120120973. The next prime is 22122120121061. The reversal of 22122120121010 is 1012102122122.

It is a self number, because there is not a number n which added to its sum of digits gives 22122120121010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258574487 + ... + 258660026.

It is an arithmetic number, because the mean of its divisors is an integer number (782058585168).

Almost surely, 2^{22122120121010} is an apocalyptic number.

22122120121010 is an abundant number, since it is smaller than the sum of its proper divisors (27929629329742).

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

22122120121010 is a wasteful number, since it uses less digits than its factorization.

22122120121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517234587.

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

Adding to 22122120121010 its reverse (1012102122122), we get a palindrome (23134222243132).

The spelling of 22122120121010 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, ten".