222100122210 has 32 divisors (see below), whose sum is σ = 541778663232. Its totient is φ = 58255769280.

The previous prime is 222100122161. The next prime is 222100122217. The reversal of 222100122210 is 12221001222.

222100122210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 222100122210.

It is not an unprimeable number, because it can be changed into a prime (222100122217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60681264 + ... + 60684923.

It is an arithmetic number, because the mean of its divisors is an integer number (16930583226).

Almost surely, 2^222100122210 is an apocalyptic number.

222100122210 is an abundant number, since it is smaller than the sum of its proper divisors (319678541022).

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

222100122210 is a wasteful number, since it uses less digits than its factorization.

222100122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121366258.

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

Adding to 222100122210 its reverse (12221001222), we get a palindrome (234321123432).

The spelling of 222100122210 in words is "two hundred twenty-two billion, one hundred million, one hundred twenty-two thousand, two hundred ten".