2100120113023 has 2 divisors, whose sum is σ = 2100120113024. Its totient is φ = 2100120113022.

The previous prime is 2100120112997. The next prime is 2100120113053. The reversal of 2100120113023 is 3203110210012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100120113023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100120112988 and 2100120113006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100120113053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050060056511 + 1050060056512.

It is an arithmetic number, because the mean of its divisors is an integer number (1050060056512).

Almost surely, 2^{2100120113023} is an apocalyptic number.

2100120113023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100120113023 is an equidigital number, since it uses as much as digits as its factorization.

2100120113023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2100120113023 its reverse (3203110210012), we get a palindrome (5303230323035).

The spelling of 2100120113023 in words is "two trillion, one hundred billion, one hundred twenty million, one hundred thirteen thousand, twenty-three".