222211210022120 has 128 divisors (see below), whose sum is σ = 588407931210240. Its totient is φ = 74615972720640.

The previous prime is 222211210022099. The next prime is 222211210022141. The reversal of 222211210022120 is 21220012112222.

It is an interprime number because it is at equal distance from previous prime (222211210022099) and next prime (222211210022141).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222211210022092 and 222211210022101.

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, 279861872 + ... + 280654751.

It is an arithmetic number, because the mean of its divisors is an integer number (4596936962580).

Almost surely, 2^{222211210022120} is an apocalyptic number.

222211210022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222211210022120 is an abundant number, since it is smaller than the sum of its proper divisors (366196721188120).

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

222211210022120 is a wasteful number, since it uses less digits than its factorization.

222211210022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560516715 (or 560516711 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222211210022120 its reverse (21220012112222), we get a palindrome (243431222134342).

The spelling of 222211210022120 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred ten million, twenty-two thousand, one hundred twenty".