2211311323112 has 16 divisors (see below), whose sum is σ = 4151729659200. Its totient is φ = 1104183414000.

The previous prime is 2211311323099. The next prime is 2211311323129. The reversal of 2211311323112 is 2113231131122.

It is a happy number.

It is an unprimeable number.

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, 184024562 + ... + 184036577.

It is an arithmetic number, because the mean of its divisors is an integer number (259483103700).

Almost surely, 2^{2211311323112} is an apocalyptic number.

It is an amenable number.

2211311323112 is a deficient number, since it is larger than the sum of its proper divisors (1940418336088).

2211311323112 is a wasteful number, since it uses less digits than its factorization.

2211311323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368061896 (or 368061892 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

Adding to 2211311323112 its reverse (2113231131122), we get a palindrome (4324542454234).

The spelling of 2211311323112 in words is "two trillion, two hundred eleven billion, three hundred eleven million, three hundred twenty-three thousand, one hundred twelve".