220221101200 has 30 divisors (see below), whose sum is σ = 529081196594. Its totient is φ = 88088440320.

The previous prime is 220221101179. The next prime is 220221101251. The reversal of 220221101200 is 2101122022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 27415696 + 220193685504 = 5236^2 + 469248^2 .

It is a super-3 number, since 3×220221101200³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275275977 + ... + 275276776.

Almost surely, 2^220221101200 is an apocalyptic number.

220221101200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221101200 is an abundant number, since it is smaller than the sum of its proper divisors (308860095394).

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

220221101200 is a wasteful number, since it uses less digits than its factorization.

220221101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550552771 (or 550552760 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220221101200 its reverse (2101122022), we get a palindrome (222322223222).

The spelling of 220221101200 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred one thousand, two hundred".