21023211112022 has 16 divisors (see below), whose sum is σ = 36046617615360. Its totient is φ = 9008240835048.

The previous prime is 21023211112021. The next prime is 21023211112109. The reversal of 21023211112022 is 22021111232012.

It is a junction number, because it is equal to n+sod(n) for n = 21023211111985 and 21023211112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023211112021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 142155488 + ... + 142303299.

It is an arithmetic number, because the mean of its divisors is an integer number (2252913600960).

Almost surely, 2^{21023211112022} is an apocalyptic number.

21023211112022 is a deficient number, since it is larger than the sum of its proper divisors (15023406503338).

21023211112022 is a wasteful number, since it uses less digits than its factorization.

21023211112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284464075.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21023211112022 its reverse (22021111232012), we get a palindrome (43044322344034).

The spelling of 21023211112022 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, one hundred twelve thousand, twenty-two".