22102212120 has 32 divisors (see below), whose sum is σ = 66306636720. Its totient is φ = 5893923200.

The previous prime is 22102212113. The next prime is 22102212127. The reversal of 22102212120 is 2121220122.

It is an interprime number because it is at equal distance from previous prime (22102212113) and next prime (22102212127).

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 22102212120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102212127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 92092431 + ... + 92092670.

Almost surely, 2^22102212120 is an apocalyptic number.

22102212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102212120 is an abundant number, since it is smaller than the sum of its proper divisors (44204424600).

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

22102212120 is a wasteful number, since it uses less digits than its factorization.

22102212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184185115 (or 184185111 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22102212120 its reverse (2121220122), we get a palindrome (24223432242).

The spelling of 22102212120 in words is "twenty-two billion, one hundred two million, two hundred twelve thousand, one hundred twenty".