21022112330211 has 32 divisors (see below), whose sum is σ = 28338738972480. Its totient is φ = 13860967366656.

The previous prime is 21022112330123. The next prime is 21022112330213. The reversal of 21022112330211 is 11203321122012.

It is not a de Polignac number, because 21022112330211 - 2¹⁰ = 21022112329187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21022112330213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120620745 + ... + 120794901.

It is an arithmetic number, because the mean of its divisors is an integer number (885585592890).

Almost surely, 2^{21022112330211} is an apocalyptic number.

21022112330211 is a deficient number, since it is larger than the sum of its proper divisors (7316626642269).

21022112330211 is a wasteful number, since it uses less digits than its factorization.

21022112330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175383.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21022112330211 its reverse (11203321122012), we get a palindrome (32225433452223).

The spelling of 21022112330211 in words is "twenty-one trillion, twenty-two billion, one hundred twelve million, three hundred thirty thousand, two hundred eleven".