221120010104 has 16 divisors (see below), whose sum is σ = 473828593200. Its totient is φ = 94765718592.

The previous prime is 221120010053. The next prime is 221120010113. The reversal of 221120010104 is 401010021122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974285749 + ... + 1974285860.

It is an arithmetic number, because the mean of its divisors is an integer number (29614287075).

Almost surely, 2^221120010104 is an apocalyptic number.

It is an amenable number.

221120010104 is an abundant number, since it is smaller than the sum of its proper divisors (252708583096).

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

221120010104 is a wasteful number, since it uses less digits than its factorization.

221120010104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948571622 (or 3948571618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221120010104 its reverse (401010021122), we get a palindrome (622130031226).

The spelling of 221120010104 in words is "two hundred twenty-one billion, one hundred twenty million, ten thousand, one hundred four".