2120120112103 has 8 divisors (see below), whose sum is σ = 2440426029440. Its totient is φ = 1804172098680.

The previous prime is 2120120112049. The next prime is 2120120112133. The reversal of 2120120112103 is 3012110210212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2120120112103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120120112133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089474933 + ... + 1089476878.

It is an arithmetic number, because the mean of its divisors is an integer number (305053253680).

Almost surely, 2^{2120120112103} is an apocalyptic number.

2120120112103 is a deficient number, since it is larger than the sum of its proper divisors (320305917337).

2120120112103 is a wasteful number, since it uses less digits than its factorization.

2120120112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178951957.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2120120112103 its reverse (3012110210212), we get a palindrome (5132230322315).

The spelling of 2120120112103 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred twelve thousand, one hundred three".