22102120122202 has 4 divisors (see below), whose sum is σ = 33153180183306. Its totient is φ = 11051060061100.

The previous prime is 22102120122157. The next prime is 22102120122239. The reversal of 22102120122202 is 20222102120122.

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., 13177328343481 + 8924791778721 = 3630059^2 + 2987439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102120122202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525530030549 + ... + 5525530030552.

Almost surely, 2^{22102120122202} is an apocalyptic number.

22102120122202 is a deficient number, since it is larger than the sum of its proper divisors (11051060061104).

22102120122202 is a wasteful number, since it uses less digits than its factorization.

22102120122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051060061103.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22102120122202 its reverse (20222102120122), we get a palindrome (42324222242324).

It can be divided in two parts, 22102120122 and 202, that multiplied together give a palindrome (4464628264644).

The spelling of 22102120122202 in words is "twenty-two trillion, one hundred two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred two".