22101211320 has 64 divisors (see below), whose sum is σ = 66361554720. Its totient is φ = 5888507904.

The previous prime is 22101211303. The next prime is 22101211367. The reversal of 22101211320 is 2311210122.

It is a super-2 number, since 2×22101211320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22101211320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58492 + ... + 218228.

Almost surely, 2^22101211320 is an apocalyptic number.

22101211320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101211320 is an abundant number, since it is smaller than the sum of its proper divisors (44260343400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101211320 is a wasteful number, since it uses less digits than its factorization.

22101211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160904 (or 160900 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22101211320 its reverse (2311210122), we get a palindrome (24412421442).

The spelling of 22101211320 in words is "twenty-two billion, one hundred one million, two hundred eleven thousand, three hundred twenty".