110561888321 has 4 divisors (see below), whose sum is σ = 110569258944. Its totient is φ = 110554517700.

The previous prime is 110561888249. The next prime is 110561888323. The reversal of 110561888321 is 123888165011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110561888321 - 2¹⁰ = 110561887297 is a prime.

It is a super-2 number, since 2×110561888321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110561888323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662765 + ... + 3692826.

It is an arithmetic number, because the mean of its divisors is an integer number (27642314736).

Almost surely, 2^110561888321 is an apocalyptic number.

It is an amenable number.

110561888321 is a deficient number, since it is larger than the sum of its proper divisors (7370623).

110561888321 is an equidigital number, since it uses as much as digits as its factorization.

110561888321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370622.

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 110561888321 in words is "one hundred ten billion, five hundred sixty-one million, eight hundred eighty-eight thousand, three hundred twenty-one".