222101211122 has 12 divisors (see below), whose sum is σ = 387543950190. Its totient is φ = 95186233296.

The previous prime is 222101211097. The next prime is 222101211127. The reversal of 222101211122 is 221112101222.

It can be written as a sum of positive squares in only one way, i.e., 181833163561 + 40268047561 = 426419^2 + 200669^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222101211122.

It is not an unprimeable number, because it can be changed into a prime (222101211127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133169347 + ... + 1133169542.

Almost surely, 2^222101211122 is an apocalyptic number.

222101211122 is a deficient number, since it is larger than the sum of its proper divisors (165442739068).

222101211122 is a wasteful number, since it uses less digits than its factorization.

222101211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266338905 (or 2266338898 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222101211122 its reverse (221112101222), we get a palindrome (443213312344).

The spelling of 222101211122 in words is "two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, one hundred twenty-two".