2313223121211 has 32 divisors (see below), whose sum is σ = 3144791278080. Its totient is φ = 1512143001600.

The previous prime is 2313223121201. The next prime is 2313223121227. The reversal of 2313223121211 is 1121213223132.

It is not a de Polignac number, because 2313223121211 - 2⁵ = 2313223121179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2313223121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266834185 + ... + 266842853.

It is an arithmetic number, because the mean of its divisors is an integer number (98274727440).

Almost surely, 2^{2313223121211} is an apocalyptic number.

2313223121211 is a deficient number, since it is larger than the sum of its proper divisors (831568156869).

2313223121211 is a wasteful number, since it uses less digits than its factorization.

2313223121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427.

The product of its digits is 864, while the sum is 24.

Adding to 2313223121211 its reverse (1121213223132), we get a palindrome (3434436344343).

It can be divided in two parts, 231322 and 3121211, that added together give a palindrome (3352533).

The spelling of 2313223121211 in words is "two trillion, three hundred thirteen billion, two hundred twenty-three million, one hundred twenty-one thousand, two hundred eleven".