110221221013 has 4 divisors (see below), whose sum is σ = 110223599200. Its totient is φ = 110218842828.

The previous prime is 110221220999. The next prime is 110221221031. The reversal of 110221221013 is 310122122011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310122122011 = 13 ⋅23855547847.

It is a cyclic number.

It is not a de Polignac number, because 110221221013 - 2⁵ = 110221220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1118163 + ... + 1212736.

It is an arithmetic number, because the mean of its divisors is an integer number (27555899800).

Almost surely, 2^110221221013 is an apocalyptic number.

It is an amenable number.

110221221013 is a deficient number, since it is larger than the sum of its proper divisors (2378187).

110221221013 is an equidigital number, since it uses as much as digits as its factorization.

110221221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378186.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110221221013 its reverse (310122122011), we get a palindrome (420343343024).

The spelling of 110221221013 in words is "one hundred ten billion, two hundred twenty-one million, two hundred twenty-one thousand, thirteen".