2110121023 has 4 divisors (see below), whose sum is σ = 2110213648. Its totient is φ = 2110028400.

The previous prime is 2110121021. The next prime is 2110121029. The reversal of 2110121023 is 3201210112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2110121023 - 2¹ = 2110121021 is a prime.

It is a super-2 number, since 2×2110121023² = 8905221463413133058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110120994 and 2110121012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110121021) 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, 14323 + ... + 66523.

It is an arithmetic number, because the mean of its divisors is an integer number (527553412).

Almost surely, 2^2110121023 is an apocalyptic number.

2110121023 is a deficient number, since it is larger than the sum of its proper divisors (92625).

2110121023 is an equidigital number, since it uses as much as digits as its factorization.

2110121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92624.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2110121023 is about 45936.0536289307. The cubic root of 2110121023 is about 1282.6331340549.

Adding to 2110121023 its reverse (3201210112), we get a palindrome (5311331135).

It can be divided in two parts, 21101 and 21023, that added together give a palindrome (42124).

The spelling of 2110121023 in words is "two billion, one hundred ten million, one hundred twenty-one thousand, twenty-three".