222102111002220 has 72 divisors (see below), whose sum is σ = 677129583194064. Its totient is φ = 58926583755648.

The previous prime is 222102111002207. The next prime is 222102111002221. The reversal of 222102111002220 is 22200111201222.

It is a happy number.

222102111002220 is a `hidden beast` number, since 2 + 221 + 0 + 211 + 10 + 0 + 2 + 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 = 222102111002193 and 222102111002202.

It is not an unprimeable number, because it can be changed into a prime (222102111002221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3131691994 + ... + 3131762913.

It is an arithmetic number, because the mean of its divisors is an integer number (9404577544362).

Almost surely, 2^{222102111002220} is an apocalyptic number.

222102111002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222102111002220 is an abundant number, since it is smaller than the sum of its proper divisors (455027472191844).

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

222102111002220 is a wasteful number, since it uses less digits than its factorization.

222102111002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263455119 (or 6263455114 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222102111002220 its reverse (22200111201222), we get a palindrome (244302222203442).

The spelling of 222102111002220 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred eleven million, two thousand, two hundred twenty".