22102111202 has 4 divisors (see below), whose sum is σ = 33153166806. Its totient is φ = 11051055600.

The previous prime is 22102111201. The next prime is 22102111253. The reversal of 22102111202 is 20211120122.

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., 11054209321 + 11047901881 = 105139^2 + 105109^2 .

It is not an unprimeable number, because it can be changed into a prime (22102111201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525527799 + ... + 5525527802.

Almost surely, 2^22102111202 is an apocalyptic number.

22102111202 is a deficient number, since it is larger than the sum of its proper divisors (11051055604).

22102111202 is a wasteful number, since it uses less digits than its factorization.

22102111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051055603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102111202 its reverse (20211120122), we get a palindrome (42313231324).

The spelling of 22102111202 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, two hundred two".