22121102102120 has 64 divisors (see below), whose sum is σ = 56884926948480. Its totient is φ = 7584098800896.

The previous prime is 22121102102117. The next prime is 22121102102147. The reversal of 22121102102120 is 2120120112122.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6242627 + ... + 9122093.

It is an arithmetic number, because the mean of its divisors is an integer number (888826983570).

Almost surely, 2^{22121102102120} is an apocalyptic number.

22121102102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121102102120 is an abundant number, since it is smaller than the sum of its proper divisors (34763824846360).

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

22121102102120 is a wasteful number, since it uses less digits than its factorization.

22121102102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906922 (or 2906918 counting only the distinct ones).

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

Adding to 22121102102120 its reverse (2120120112122), we get a palindrome (24241222214242).

The spelling of 22121102102120 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred two million, one hundred two thousand, one hundred twenty".