22021212102110 has 24 divisors (see below), whose sum is σ = 42921818147880. Its totient is φ = 8130909083232.

The previous prime is 22021212102089. The next prime is 22021212102139. The reversal of 22021212102110 is 1120121212022.

It is a super-2 number, since 2×22021212102110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 6515149820 + ... + 6515153199.

It is an arithmetic number, because the mean of its divisors is an integer number (1788409089495).

Almost surely, 2^{22021212102110} is an apocalyptic number.

22021212102110 is a deficient number, since it is larger than the sum of its proper divisors (20900606045770).

22021212102110 is a wasteful number, since it uses less digits than its factorization.

22021212102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13030303052 (or 13030303039 counting only the distinct ones).

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

Adding to 22021212102110 its reverse (1120121212022), we get a palindrome (23141333314132).

The spelling of 22021212102110 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred ten".