22011312202 has 16 divisors (see below), whose sum is σ = 37584533952. Its totient is φ = 9570135520.

The previous prime is 22011312161. The next prime is 22011312203. The reversal of 22011312202 is 20221311022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22011312203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21749803 + ... + 21750814.

It is an arithmetic number, because the mean of its divisors is an integer number (2349033372).

Almost surely, 2^22011312202 is an apocalyptic number.

22011312202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011312202 is a deficient number, since it is larger than the sum of its proper divisors (15573221750).

22011312202 is a wasteful number, since it uses less digits than its factorization.

22011312202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500653.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22011312202 its reverse (20221311022), we get a palindrome (42232623224).

The spelling of 22011312202 in words is "twenty-two billion, eleven million, three hundred twelve thousand, two hundred two".