22112211211022 has 8 divisors (see below), whose sum is σ = 33174142991496. Its totient is φ = 11054163547192.

The previous prime is 22112211210919. The next prime is 22112211211049. The reversal of 22112211211022 is 22011211221122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22112211210985 and 22112211211003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971014928 + ... + 971037699.

It is an arithmetic number, because the mean of its divisors is an integer number (4146767873937).

Almost surely, 2^{22112211211022} is an apocalyptic number.

22112211211022 is a deficient number, since it is larger than the sum of its proper divisors (11061931780474).

22112211211022 is a wasteful number, since it uses less digits than its factorization.

22112211211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942058322.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22112211211022 its reverse (22011211221122), we get a palindrome (44123422432144).

It can be divided in two parts, 2211221 and 1211022, that added together give a palindrome (3422243).

The spelling of 22112211211022 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, two hundred eleven thousand, twenty-two".