2112791338 has 32 divisors (see below), whose sum is σ = 3673410048. Its totient is φ = 892684800.

The previous prime is 2112791323. The next prime is 2112791371. The reversal of 2112791338 is 8331972112.

It is a junction number, because it is equal to n+sod(n) for n = 2112791297 and 2112791306.

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 15 ways as a sum of consecutive naturals, for example, 365148 + ... + 370888.

It is an arithmetic number, because the mean of its divisors is an integer number (114794064).

Almost surely, 2^2112791338 is an apocalyptic number.

2112791338 is a deficient number, since it is larger than the sum of its proper divisors (1560618710).

2112791338 is a wasteful number, since it uses less digits than its factorization.

2112791338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118.

The product of its digits is 18144, while the sum is 37.

The square root of 2112791338 is about 45965.1100074828. The cubic root of 2112791338 is about 1283.1739546531.

The spelling of 2112791338 in words is "two billion, one hundred twelve million, seven hundred ninety-one thousand, three hundred thirty-eight".