2100003011023 has 4 divisors (see below), whose sum is σ = 2100956260168. Its totient is φ = 2099049761880.

The previous prime is 2100003010991. The next prime is 2100003011027. The reversal of 2100003011023 is 3201103000012.

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 2100003011023 - 2⁵ = 2100003010991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100003010994 and 2100003011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100003011027) 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, 476621268 + ... + 476625673.

It is an arithmetic number, because the mean of its divisors is an integer number (525239065042).

Almost surely, 2^{2100003011023} is an apocalyptic number.

2100003011023 is a deficient number, since it is larger than the sum of its proper divisors (953249145).

2100003011023 is an equidigital number, since it uses as much as digits as its factorization.

2100003011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953249144.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 2100003011023 its reverse (3201103000012), we get a palindrome (5301106011035).

The spelling of 2100003011023 in words is "two trillion, one hundred billion, three million, eleven thousand, twenty-three".