22112222202122 has 16 divisors (see below), whose sum is σ = 37820904943752. Its totient is φ = 9605309191680.

The previous prime is 22112222202029. The next prime is 22112222202143. The reversal of 22112222202122 is 22120222221122.

It can be written as a sum of positive squares in 4 ways, for example, as 12402448367521 + 9709773834601 = 3521711^2 + 3116051^2 .

It is a super-2 number, since 2×22112222202122² (a number of 27 digits) contains 22 as substring.

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, 25013825579 + ... + 25013826462.

Almost surely, 2^{22112222202122} is an apocalyptic number.

22112222202122 is a deficient number, since it is larger than the sum of its proper divisors (15708682741630).

22112222202122 is a wasteful number, since it uses less digits than its factorization.

22112222202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50027652073.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22112222202122 its reverse (22120222221122), we get a palindrome (44232444423244).

The spelling of 22112222202122 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-two".