221104124 has 24 divisors (see below), whose sum is σ = 393372000. Its totient is φ = 108725760.

The previous prime is 221104097. The next prime is 221104127. The reversal of 221104124 is 421401122.

221104124 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

221104124 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221104127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69284 + ... + 72404.

It is an arithmetic number, because the mean of its divisors is an integer number (16390500).

Almost surely, 2^221104124 is an apocalyptic number.

It is an amenable number.

221104124 is a deficient number, since it is larger than the sum of its proper divisors (172267876).

221104124 is a wasteful number, since it uses less digits than its factorization.

221104124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 221104124 is about 14869.5704040164. The cubic root of 221104124 is about 604.6892961004.

Adding to 221104124 its reverse (421401122), we get a palindrome (642505246).

The spelling of 221104124 in words is "two hundred twenty-one million, one hundred four thousand, one hundred twenty-four".