2311222313112 has 32 divisors (see below), whose sum is σ = 5778403666800. Its totient is φ = 770361053184.

The previous prime is 2311222313107. The next prime is 2311222313297. The reversal of 2311222313112 is 2113132221132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490937 + ... + 3290472.

Almost surely, 2^{2311222313112} is an apocalyptic number.

It is an amenable number.

2311222313112 is an abundant number, since it is smaller than the sum of its proper divisors (3467181353688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311222313112 is a wasteful number, since it uses less digits than its factorization.

2311222313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798075 (or 5798071 counting only the distinct ones).

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

Adding to 2311222313112 its reverse (2113132221132), we get a palindrome (4424354534244).

The spelling of 2311222313112 in words is "two trillion, three hundred eleven billion, two hundred twenty-two million, three hundred thirteen thousand, one hundred twelve".