221442200012220 has 96 divisors (see below), whose sum is σ = 676415810520576. Its totient is φ = 53682120672000.

The previous prime is 221442200012213. The next prime is 221442200012273. The reversal of 221442200012220 is 22210002244122.

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, 40284802 + ... + 45450518.

It is an arithmetic number, because the mean of its divisors is an integer number (7045998026256).

Almost surely, 2^{221442200012220} is an apocalyptic number.

221442200012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221442200012220 is an abundant number, since it is smaller than the sum of its proper divisors (454973610508356).

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

221442200012220 is a wasteful number, since it uses less digits than its factorization.

221442200012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230691 (or 5230689 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 221442200012220 its reverse (22210002244122), we get a palindrome (243652202256342).

The spelling of 221442200012220 in words is "two hundred twenty-one trillion, four hundred forty-two billion, two hundred million, twelve thousand, two hundred twenty".