22112201112211 has 16 divisors (see below), whose sum is σ = 27920996365824. Its totient is φ = 17062831108224.

The previous prime is 22112201112173. The next prime is 22112201112217. The reversal of 22112201112211 is 11221110221122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22112201112211 - 2²⁹ = 22111664241299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112201112217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039493265 + ... + 4039498738.

It is an arithmetic number, because the mean of its divisors is an integer number (1745062272864).

Almost surely, 2^{22112201112211} is an apocalyptic number.

22112201112211 is a deficient number, since it is larger than the sum of its proper divisors (5808795253613).

22112201112211 is a wasteful number, since it uses less digits than its factorization.

22112201112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078992050.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22112201112211 its reverse (11221110221122), we get a palindrome (33333311333333).

The spelling of 22112201112211 in words is "twenty-two trillion, one hundred twelve billion, two hundred one million, one hundred twelve thousand, two hundred eleven".