22102111211122 has 4 divisors (see below), whose sum is σ = 33153166816686. Its totient is φ = 11051055605560.

The previous prime is 22102111211111. The next prime is 22102111211153. The reversal of 22102111211122 is 22111211120122.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21660283791721 + 441827419401 = 4654061^2 + 664701^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102111211122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525527802779 + ... + 5525527802782.

Almost surely, 2^{22102111211122} is an apocalyptic number.

22102111211122 is a deficient number, since it is larger than the sum of its proper divisors (11051055605564).

22102111211122 is a wasteful number, since it uses less digits than its factorization.

22102111211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051055605563.

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

Adding to 22102111211122 its reverse (22111211120122), we get a palindrome (44213322331244).

The spelling of 22102111211122 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-two".