20221221002110 has 32 divisors (see below), whose sum is σ = 36621438566400. Its totient is φ = 8038968977952.

The previous prime is 20221221002027. The next prime is 20221221002261. The reversal of 20221221002110 is 1120012212202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796734 + ... + 7406593.

It is an arithmetic number, because the mean of its divisors is an integer number (1144419955200).

Almost surely, 2^{20221221002110} is an apocalyptic number.

20221221002110 is a deficient number, since it is larger than the sum of its proper divisors (16400217564290).

20221221002110 is a wasteful number, since it uses less digits than its factorization.

20221221002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204440.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221221002110 its reverse (1120012212202), we get a palindrome (21341233214312).

The spelling of 20221221002110 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-one million, two thousand, one hundred ten".