22112122011222 has 16 divisors (see below), whose sum is σ = 44251729588080. Its totient is φ = 7366126409472.

The previous prime is 22112122011197. The next prime is 22112122011233. The reversal of 22112122011222 is 22211022121122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145221443 + ... + 1145240750.

It is an arithmetic number, because the mean of its divisors is an integer number (2765733099255).

Almost surely, 2^{22112122011222} is an apocalyptic number.

22112122011222 is an abundant number, since it is smaller than the sum of its proper divisors (22139607576858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22112122011222 is a wasteful number, since it uses less digits than its factorization.

22112122011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290463807.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22112122011222 its reverse (22211022121122), we get a palindrome (44323144132344).

The spelling of 22112122011222 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".