222101312120 has 16 divisors (see below), whose sum is σ = 499727952360. Its totient is φ = 88840524832.

The previous prime is 222101312033. The next prime is 222101312143. The reversal of 222101312120 is 21213101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776266362 + ... + 2776266441.

Almost surely, 2^222101312120 is an apocalyptic number.

222101312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101312120 is an abundant number, since it is smaller than the sum of its proper divisors (277626640240).

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

222101312120 is a wasteful number, since it uses less digits than its factorization.

222101312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552532814 (or 5552532810 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222101312120 its reverse (21213101222), we get a palindrome (243314413342).

The spelling of 222101312120 in words is "two hundred twenty-two billion, one hundred one million, three hundred twelve thousand, one hundred twenty".