2311222331222 has 48 divisors (see below), whose sum is σ = 4037938445520. Its totient is φ = 989274267072.

The previous prime is 2311222331203. The next prime is 2311222331227. The reversal of 2311222331222 is 2221332221132.

It is a junction number, because it is equal to n+sod(n) for n = 2311222331191 and 2311222331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311222331227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325108604 + ... + 325115712.

It is an arithmetic number, because the mean of its divisors is an integer number (84123717615).

Almost surely, 2^{2311222331222} is an apocalyptic number.

2311222331222 is a deficient number, since it is larger than the sum of its proper divisors (1726716114298).

2311222331222 is a wasteful number, since it uses less digits than its factorization.

2311222331222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845 (or 10838 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 2311222331222 its reverse (2221332221132), we get a palindrome (4532554552354).

The spelling of 2311222331222 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-two".