22021210211 has 24 divisors (see below), whose sum is σ = 29729412864. Its totient is φ = 15839422560.

The previous prime is 22021210139. The next prime is 22021210213. The reversal of 22021210211 is 11201212022.

It is not a de Polignac number, because 22021210211 - 2¹⁴ = 22021193827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021210213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 833111 + ... + 859136.

It is an arithmetic number, because the mean of its divisors is an integer number (1238725536).

Almost surely, 2^22021210211 is an apocalyptic number.

22021210211 is a deficient number, since it is larger than the sum of its proper divisors (7708202653).

22021210211 is a wasteful number, since it uses less digits than its factorization.

22021210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692291 (or 1692278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021210211 its reverse (11201212022), we get a palindrome (33222422233).

It can be divided in two parts, 22021 and 210211, that added together give a palindrome (232232).

The spelling of 22021210211 in words is "twenty-two billion, twenty-one million, two hundred ten thousand, two hundred eleven".