110221220212200 has 144 divisors (see below), whose sum is σ = 379187881008300. Its totient is φ = 28675439385600.

The previous prime is 110221220212177. The next prime is 110221220212217. The reversal of 110221220212200 is 2212022122011.

It is a happy number.

110221220212200 is a `hidden beast` number, since 1 + 1 + 0 + 221 + 220 + 2 + 1 + 220 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 75901352004 + 110145318860196 = 275502^2 + 10495014^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 746682435 + ... + 746830034.

Almost surely, 2^{110221220212200} is an apocalyptic number.

110221220212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221220212200 is an abundant number, since it is smaller than the sum of its proper divisors (268966660796100).

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

110221220212200 is a wasteful number, since it uses less digits than its factorization.

110221220212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493512532 (or 1493512520 counting only the distinct ones).

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

Adding to 110221220212200 its reverse (2212022122011), we get a palindrome (112433242334211).

The spelling of 110221220212200 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty million, two hundred twelve thousand, two hundred".