22101102002 has 12 divisors (see below), whose sum is σ = 38564167950. Its totient is φ = 9471900816.

The previous prime is 22101101993. The next prime is 22101102053. The reversal of 22101102002 is 20020110122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17349894961 + 4751207041 = 131719^2 + 68929^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112760627 + ... + 112760822.

Almost surely, 2^22101102002 is an apocalyptic number.

22101102002 is a deficient number, since it is larger than the sum of its proper divisors (16463065948).

22101102002 is a wasteful number, since it uses less digits than its factorization.

22101102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225521465 (or 225521458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101102002 its reverse (20020110122), we get a palindrome (42121212124).

The spelling of 22101102002 in words is "twenty-two billion, one hundred one million, one hundred two thousand, two".