2110031203123 has 4 divisors (see below), whose sum is σ = 2110038118560. Its totient is φ = 2110024287688.

The previous prime is 2110031203081. The next prime is 2110031203201. The reversal of 2110031203123 is 3213021300112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110031203123 - 2³⁷ = 1972592249651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110031203123.

It is not an unprimeable number, because it can be changed into a prime (2110031203723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977840 + ... + 3617677.

It is an arithmetic number, because the mean of its divisors is an integer number (527509529640).

Almost surely, 2^{2110031203123} is an apocalyptic number.

2110031203123 is a deficient number, since it is larger than the sum of its proper divisors (6915437).

2110031203123 is an equidigital number, since it uses as much as digits as its factorization.

2110031203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915436.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2110031203123 its reverse (3213021300112), we get a palindrome (5323052503235).

The spelling of 2110031203123 in words is "two trillion, one hundred ten billion, thirty-one million, two hundred three thousand, one hundred twenty-three".