110220993 has 10 divisors (see below), whose sum is σ = 164651234. Its totient is φ = 73480608.

The previous prime is 110220983. The next prime is 110221019. The reversal of 110220993 is 399022011.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 3470769 = 10332^2 + 1863^2 .

It is not a de Polignac number, because 110220993 - 2⁴ = 110220977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110220953) 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 9 ways as a sum of consecutive naturals, for example, 680296 + ... + 680457.

Almost surely, 2^110220993 is an apocalyptic number.

It is an amenable number.

110220993 is a deficient number, since it is larger than the sum of its proper divisors (54430241).

110220993 is an equidigital number, since it uses as much as digits as its factorization.

110220993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360765 (or 1360756 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 110220993 is about 10498.6186234190. The cubic root of 110220993 is about 479.4626408393.

The spelling of 110220993 in words is "one hundred ten million, two hundred twenty thousand, nine hundred ninety-three".