11130220223 has 4 divisors (see below), whose sum is σ = 11166475320. Its totient is φ = 11093965128.

The previous prime is 11130220207. The next prime is 11130220261. The reversal of 11130220223 is 32202203111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202203111 = 13 ⋅2477092547.

It is a cyclic number.

It is not a de Polignac number, because 11130220223 - 2⁴ = 11130220207 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 (11130220523) 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, 18127088 + ... + 18127701.

It is an arithmetic number, because the mean of its divisors is an integer number (2791618830).

Almost surely, 2^11130220223 is an apocalyptic number.

11130220223 is a deficient number, since it is larger than the sum of its proper divisors (36255097).

11130220223 is an equidigital number, since it uses as much as digits as its factorization.

11130220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36255096.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11130220223 its reverse (32202203111), we get a palindrome (43332423334).

The spelling of 11130220223 in words is "eleven billion, one hundred thirty million, two hundred twenty thousand, two hundred twenty-three".