11221000023 has 4 divisors (see below), whose sum is σ = 14961333368. Its totient is φ = 7480666680.

The previous prime is 11220999997. The next prime is 11221000051. The reversal of 11221000023 is 32000012211.

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

It is not a de Polignac number, because 11221000023 - 2³³ = 2631065431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220999972 and 11221000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221000723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870166668 + ... + 1870166673.

It is an arithmetic number, because the mean of its divisors is an integer number (3740333342).

Almost surely, 2^11221000023 is an apocalyptic number.

11221000023 is a deficient number, since it is larger than the sum of its proper divisors (3740333345).

11221000023 is an equidigital number, since it uses as much as digits as its factorization.

11221000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740333344.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11221000023 its reverse (32000012211), we get a palindrome (43221012234).

The spelling of 11221000023 in words is "eleven billion, two hundred twenty-one million, twenty-three", and thus it is an aban number.