22112221010 has 16 divisors (see below), whose sum is σ = 43420361472. Its totient is φ = 8040807600.

The previous prime is 22112221009. The next prime is 22112221037. The reversal of 22112221010 is 1012221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100509986 + ... + 100510205.

It is an arithmetic number, because the mean of its divisors is an integer number (2713772592).

Almost surely, 2^22112221010 is an apocalyptic number.

22112221010 is a deficient number, since it is larger than the sum of its proper divisors (21308140462).

22112221010 is a wasteful number, since it uses less digits than its factorization.

22112221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201020209.

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

Adding to 22112221010 its reverse (1012221122), we get a palindrome (23124442132).

The spelling of 22112221010 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, ten".