222220112001100 has 72 divisors (see below), whose sum is σ = 486210213054720. Its totient is φ = 88154512134720.

The previous prime is 222220112001089. The next prime is 222220112001133. The reversal of 222220112001100 is 1100211022222.

It is a happy number.

222220112001100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 7824274 + ... + 22486873.

It is an arithmetic number, because the mean of its divisors is an integer number (6752919625760).

Almost surely, 2^{222220112001100} is an apocalyptic number.

222220112001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220112001100 is an abundant number, since it is smaller than the sum of its proper divisors (263990101053620).

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

222220112001100 is a wasteful number, since it uses less digits than its factorization.

222220112001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30311767 (or 30311760 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222220112001100 its reverse (1100211022222), we get a palindrome (223320323023322).

The spelling of 222220112001100 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, one thousand, one hundred".