11110220993 has 4 divisors (see below), whose sum is σ = 11149759428. Its totient is φ = 11070682560.

The previous prime is 11110220971. The next prime is 11110221049. The reversal of 11110220993 is 39902201111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4133461264 + 6976759729 = 64292^2 + 83527^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110220993 - 2²² = 11106026689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110220903) 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, 19768796 + ... + 19769357.

It is an arithmetic number, because the mean of its divisors is an integer number (2787439857).

Almost surely, 2^11110220993 is an apocalyptic number.

It is an amenable number.

11110220993 is a deficient number, since it is larger than the sum of its proper divisors (39538435).

11110220993 is an equidigital number, since it uses as much as digits as its factorization.

11110220993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39538434.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 11110220993 in words is "eleven billion, one hundred ten million, two hundred twenty thousand, nine hundred ninety-three".