2120103031023 has 12 divisors (see below), whose sum is σ = 3062391092280. Its totient is φ = 1413392768016.

The previous prime is 2120103030977. The next prime is 2120103031049. The reversal of 2120103031023 is 3201303010212.

It is not a de Polignac number, because 2120103031023 - 2⁶ = 2120103030959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120103030987 and 2120103031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120103031223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862213 + ... + 2232401.

It is an arithmetic number, because the mean of its divisors is an integer number (255199257690).

Almost surely, 2^{2120103031023} is an apocalyptic number.

2120103031023 is a deficient number, since it is larger than the sum of its proper divisors (942288061257).

2120103031023 is a wasteful number, since it uses less digits than its factorization.

2120103031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542118 (or 1542115 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2120103031023 its reverse (3201303010212), we get a palindrome (5321406041235).

The spelling of 2120103031023 in words is "two trillion, one hundred twenty billion, one hundred three million, thirty-one thousand, twenty-three".