222120221021122 has 16 divisors (see below), whose sum is σ = 340209733617432. Its totient is φ = 108739186283520.

The previous prime is 222120221021113. The next prime is 222120221021131. The reversal of 222120221021122 is 221120122021222.

It is an interprime number because it is at equal distance from previous prime (222120221021113) and next prime (222120221021131).

It can be written as a sum of positive squares in 4 ways, for example, as 220507323561121 + 1612897460001 = 14849489^2 + 1269999^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222120221021093 and 222120221021102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5552430279 + ... + 5552470282.

Almost surely, 2^{222120221021122} is an apocalyptic number.

222120221021122 is a deficient number, since it is larger than the sum of its proper divisors (118089512596310).

222120221021122 is a wasteful number, since it uses less digits than its factorization.

222120221021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104900773.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222120221021122 its reverse (221120122021222), we get a palindrome (443240343042344).

The spelling of 222120221021122 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, one hundred twenty-two".