22000121110120 has 16 divisors (see below), whose sum is σ = 49500272497860. Its totient is φ = 8800048444032.

The previous prime is 22000121110057. The next prime is 22000121110133. The reversal of 22000121110120 is 2101112100022.

It can be written as a sum of positive squares in 2 ways, for example, as 21199228564644 + 800892545476 = 4604262^2 + 894926^2 .

It is a super-2 number, since 2×22000121110120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22000121110120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275001513837 + ... + 275001513916.

Almost surely, 2^{22000121110120} is an apocalyptic number.

22000121110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000121110120 is an abundant number, since it is smaller than the sum of its proper divisors (27500151387740).

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

22000121110120 is a wasteful number, since it uses less digits than its factorization.

22000121110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550003027764 (or 550003027760 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22000121110120 its reverse (2101112100022), we get a palindrome (24101233210142).

The spelling of 22000121110120 in words is "twenty-two trillion, one hundred twenty-one million, one hundred ten thousand, one hundred twenty".