222032120100 has 72 divisors (see below), whose sum is σ = 734186217408. Its totient is φ = 50750198400.

The previous prime is 222032120069. The next prime is 222032120153. The reversal of 222032120100 is 1021230222.

It is a happy number.

It is a super-2 number, since 2×222032120100² (a number of 23 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 222032120100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52862691 + ... + 52866890.

Almost surely, 2^222032120100 is an apocalyptic number.

222032120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222032120100 is an abundant number, since it is smaller than the sum of its proper divisors (512154097308).

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

222032120100 is a wasteful number, since it uses less digits than its factorization.

222032120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105729605 (or 105729598 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 222032120100 its reverse (1021230222), we get a palindrome (223053350322).

The spelling of 222032120100 in words is "two hundred twenty-two billion, thirty-two million, one hundred twenty thousand, one hundred".