222120011022 has 64 divisors (see below), whose sum is σ = 547335581184. Its totient is φ = 58519105920.

The previous prime is 222120010979. The next prime is 222120011039. The reversal of 222120011022 is 220110021222.

It is a junction number, because it is equal to n+sod(n) for n = 222120010992 and 222120011010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302272 + ... + 731852.

It is an arithmetic number, because the mean of its divisors is an integer number (8552118456).

Almost surely, 2^222120011022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120011022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273667790592).

222120011022 is an abundant number, since it is smaller than the sum of its proper divisors (325215570162).

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

222120011022 is a wasteful number, since it uses less digits than its factorization.

222120011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430553.

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

Adding to 222120011022 its reverse (220110021222), we get a palindrome (442230032244).

The spelling of 222120011022 in words is "two hundred twenty-two billion, one hundred twenty million, eleven thousand, twenty-two".