22122111202 has 4 divisors (see below), whose sum is σ = 33183166806. Its totient is φ = 11061055600.

The previous prime is 22122111197. The next prime is 22122111211. The reversal of 22122111202 is 20211122122.

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., 15417940561 + 6704170641 = 124169^2 + 81879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530527799 + ... + 5530527802.

Almost surely, 2^22122111202 is an apocalyptic number.

22122111202 is a deficient number, since it is larger than the sum of its proper divisors (11061055604).

22122111202 is a wasteful number, since it uses less digits than its factorization.

22122111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061055603.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22122111202 its reverse (20211122122), we get a palindrome (42333233324).

The spelling of 22122111202 in words is "twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".