2113112103112 has 16 divisors (see below), whose sum is σ = 4089894393600. Its totient is φ = 1022473598160.

The previous prime is 2113112103097. The next prime is 2113112103131. The reversal of 2113112103112 is 2113012113112.

It is a self number, because there is not a number n which added to its sum of digits gives 2113112103112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260306412 + ... + 4260306907.

It is an arithmetic number, because the mean of its divisors is an integer number (255618399600).

Almost surely, 2^{2113112103112} is an apocalyptic number.

It is an amenable number.

2113112103112 is a deficient number, since it is larger than the sum of its proper divisors (1976782290488).

2113112103112 is a wasteful number, since it uses less digits than its factorization.

2113112103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520613356 (or 8520613352 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2113112103112 its reverse (2113012113112), we get a palindrome (4226124216224).

The spelling of 2113112103112 in words is "two trillion, one hundred thirteen billion, one hundred twelve million, one hundred three thousand, one hundred twelve".