115223122211 has 4 divisors (see below), whose sum is σ = 115519326000. Its totient is φ = 114926918424.

The previous prime is 115223122181. The next prime is 115223122213. The reversal of 115223122211 is 112221322511.

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

It is a cyclic number.

It is not a de Polignac number, because 115223122211 - 2¹⁴ = 115223105827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115223122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148101311 + ... + 148102088.

It is an arithmetic number, because the mean of its divisors is an integer number (28879831500).

Almost surely, 2^115223122211 is an apocalyptic number.

115223122211 is a deficient number, since it is larger than the sum of its proper divisors (296203789).

115223122211 is an equidigital number, since it uses as much as digits as its factorization.

115223122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296203788.

The product of its digits is 480, while the sum is 23.

Adding to 115223122211 its reverse (112221322511), we get a palindrome (227444444722).

The spelling of 115223122211 in words is "one hundred fifteen billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred eleven".