2891122112 has 14 divisors (see below), whose sum is σ = 5737070568. Its totient is φ = 1445561024.

The previous prime is 2891122111. The next prime is 2891122133. The reversal of 2891122112 is 2112211982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586828 + ... + 22586955.

Almost surely, 2^2891122112 is an apocalyptic number.

It is an amenable number.

2891122112 is a deficient number, since it is larger than the sum of its proper divisors (2845948456).

2891122112 is an equidigital number, since it uses as much as digits as its factorization.

2891122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45173795 (or 45173785 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

The square root of 2891122112 is about 53769.1557679679. The cubic root of 2891122112 is about 1424.5864583522.

The spelling of 2891122112 in words is "two billion, eight hundred ninety-one million, one hundred twenty-two thousand, one hundred twelve".