22002211211 has 4 divisors (see below), whose sum is σ = 22028946192. Its totient is φ = 21975476232.

The previous prime is 22002211163. The next prime is 22002211247. The reversal of 22002211211 is 11211220022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22002211211 - 2¹⁴ = 22002194827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002211111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13366256 + ... + 13367901.

It is an arithmetic number, because the mean of its divisors is an integer number (5507236548).

Almost surely, 2^22002211211 is an apocalyptic number.

22002211211 is a deficient number, since it is larger than the sum of its proper divisors (26734981).

22002211211 is an equidigital number, since it uses as much as digits as its factorization.

22002211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26734980.

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

Adding to 22002211211 its reverse (11211220022), we get a palindrome (33213431233).

It can be divided in two parts, 220022 and 11211, that multiplied together give a palindrome (2466666642).

The spelling of 22002211211 in words is "twenty-two billion, two million, two hundred eleven thousand, two hundred eleven".