222220110120200 has 48 divisors (see below), whose sum is σ = 517390475338500. Its totient is φ = 88762672984320.

The previous prime is 222220110120191. The next prime is 222220110120251. The reversal of 222220110120200 is 2021011022222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 91158231573124 + 131061878547076 = 9547682^2 + 11448226^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 783426995 + ... + 783710594.

Almost surely, 2^{222220110120200} is an apocalyptic number.

222220110120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222220110120200 is an abundant number, since it is smaller than the sum of its proper divisors (295170365218300).

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

222220110120200 is a wasteful number, since it uses less digits than its factorization.

222220110120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567138314 (or 1567138305 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222220110120200 its reverse (2021011022222), we get a palindrome (224241121142422).

The spelling of 222220110120200 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred ten million, one hundred twenty thousand, two hundred".