222120011022220 has 12 divisors (see below), whose sum is σ = 466452023146704. Its totient is φ = 88848004408880.

The previous prime is 222120011022167. The next prime is 222120011022227. The reversal of 222120011022220 is 22220110021222.

It is a super-2 number, since 2×222120011022220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222120011022227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5553000275536 + ... + 5553000275575.

It is an arithmetic number, because the mean of its divisors is an integer number (38871001928892).

Almost surely, 2^{222120011022220} is an apocalyptic number.

222120011022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120011022220 is an abundant number, since it is smaller than the sum of its proper divisors (244332012124484).

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

222120011022220 is a wasteful number, since it uses less digits than its factorization.

222120011022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106000551120 (or 11106000551118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222120011022220 its reverse (22220110021222), we get a palindrome (244340121043442).

The spelling of 222120011022220 in words is "two hundred twenty-two trillion, one hundred twenty billion, eleven million, twenty-two thousand, two hundred twenty".