221104241140 has 48 divisors (see below), whose sum is σ = 465499576080. Its totient is φ = 88217026560.

The previous prime is 221104241123. The next prime is 221104241173. The reversal of 221104241140 is 41142401122.

It can be written as a sum of positive squares in 8 ways, for example, as 63815853924 + 157288387216 = 252618^2 + 396596^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19510996 + ... + 19522324.

It is an arithmetic number, because the mean of its divisors is an integer number (9697907835).

Almost surely, 2^221104241140 is an apocalyptic number.

221104241140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221104241140 is an abundant number, since it is smaller than the sum of its proper divisors (244395334940).

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

221104241140 is a wasteful number, since it uses less digits than its factorization.

221104241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13732 (or 13730 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221104241140 its reverse (41142401122), we get a palindrome (262246642262).

The spelling of 221104241140 in words is "two hundred twenty-one billion, one hundred four million, two hundred forty-one thousand, one hundred forty".