222110112011220 has 96 divisors (see below), whose sum is σ = 691016455866240. Its totient is φ = 59228744474880.

The previous prime is 222110112011219. The next prime is 222110112011323. The reversal of 222110112011220 is 22110211011222.

222110112011220 is a `hidden beast` number, since 2 + 221 + 10 + 11 + 201 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222110112011193 and 222110112011202.

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, 50799559 + ... + 54998321.

It is an arithmetic number, because the mean of its divisors is an integer number (7198088081940).

Almost surely, 2^{222110112011220} is an apocalyptic number.

222110112011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110112011220 is an abundant number, since it is smaller than the sum of its proper divisors (468906343855020).

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

222110112011220 is a wasteful number, since it uses less digits than its factorization.

222110112011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296742 (or 4296734 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222110112011220 its reverse (22110211011222), we get a palindrome (244220323022442).

The spelling of 222110112011220 in words is "two hundred twenty-two trillion, one hundred ten billion, one hundred twelve million, eleven thousand, two hundred twenty".