222110211022220 has 48 divisors (see below), whose sum is σ = 471155425374816. Its totient is φ = 87944673600000.

The previous prime is 222110211022199. The next prime is 222110211022241. The reversal of 222110211022220 is 22220112011222.

It is an interprime number because it is at equal distance from previous prime (222110211022199) and next prime (222110211022241).

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 = 222110211022192 and 222110211022201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3360761 + ... + 21342800.

It is an arithmetic number, because the mean of its divisors is an integer number (9815738028642).

Almost surely, 2^{222110211022220} is an apocalyptic number.

222110211022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110211022220 is an abundant number, since it is smaller than the sum of its proper divisors (249045214352596).

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

222110211022220 is a wasteful number, since it uses less digits than its factorization.

222110211022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24708122 (or 24708120 counting only the distinct ones).

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

Adding to 222110211022220 its reverse (22220112011222), we get a palindrome (244330323033442).

The spelling of 222110211022220 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred eleven million, twenty-two thousand, two hundred twenty".