11423422211 has 4 divisors (see below), whose sum is σ = 11427789912. Its totient is φ = 11419054512.

The previous prime is 11423422201. The next prime is 11423422223. The reversal of 11423422211 is 11222432411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11222432411 = 17 ⋅660143083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423422211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423422201) 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, 2179925 + ... + 2185158.

It is an arithmetic number, because the mean of its divisors is an integer number (2856947478).

Almost surely, 2^11423422211 is an apocalyptic number.

11423422211 is a deficient number, since it is larger than the sum of its proper divisors (4367701).

11423422211 is an equidigital number, since it uses as much as digits as its factorization.

11423422211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367700.

The product of its digits is 768, while the sum is 23.

Adding to 11423422211 its reverse (11222432411), we get a palindrome (22645854622).

The spelling of 11423422211 in words is "eleven billion, four hundred twenty-three million, four hundred twenty-two thousand, two hundred eleven".