221104144244204 has 96 divisors (see below), whose sum is σ = 448564429789056. Its totient is φ = 94444668334080.

The previous prime is 221104144244177. The next prime is 221104144244213. The reversal of 221104144244204 is 402442441401122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195557897 + ... + 196685279.

It is an arithmetic number, because the mean of its divisors is an integer number (4672546143636).

Almost surely, 2^{221104144244204} is an apocalyptic number.

It is an amenable number.

221104144244204 is an abundant number, since it is smaller than the sum of its proper divisors (227460285544852).

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

221104144244204 is a wasteful number, since it uses less digits than its factorization.

221104144244204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131115 (or 1131113 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 35.

Adding to 221104144244204 its reverse (402442441401122), we get a palindrome (623546585645326).

The spelling of 221104144244204 in words is "two hundred twenty-one trillion, one hundred four billion, one hundred forty-four million, two hundred forty-four thousand, two hundred four".