222100132100 has 144 divisors (see below), whose sum is σ = 602247453696. Its totient is φ = 69068688000.

The previous prime is 222100132091. The next prime is 222100132129. The reversal of 222100132100 is 1231001222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3378545 + ... + 3443655.

It is an arithmetic number, because the mean of its divisors is an integer number (4182273984).

Almost surely, 2^222100132100 is an apocalyptic number.

222100132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301123726848).

222100132100 is an abundant number, since it is smaller than the sum of its proper divisors (380147321596).

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

222100132100 is a wasteful number, since it uses less digits than its factorization.

222100132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65586 (or 65579 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 222100132100 its reverse (1231001222), we get a palindrome (223331133322).

The spelling of 222100132100 in words is "two hundred twenty-two billion, one hundred million, one hundred thirty-two thousand, one hundred".