2112722776 has 16 divisors (see below), whose sum is σ = 4133588400. Its totient is φ = 1010432544.

The previous prime is 2112722771. The next prime is 2112722783. The reversal of 2112722776 is 6772272112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112722771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5740911 + ... + 5741278.

It is an arithmetic number, because the mean of its divisors is an integer number (258349275).

Almost surely, 2^2112722776 is an apocalyptic number.

It is an amenable number.

2112722776 is a deficient number, since it is larger than the sum of its proper divisors (2020865624).

2112722776 is a wasteful number, since it uses less digits than its factorization.

2112722776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11482218 (or 11482214 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 2112722776 is about 45964.3641966252. The cubic root of 2112722776 is about 1283.1600744491.

Adding to 2112722776 its reverse (6772272112), we get a palindrome (8884994888).

The spelling of 2112722776 in words is "two billion, one hundred twelve million, seven hundred twenty-two thousand, seven hundred seventy-six".