2100110110013 has 4 divisors (see below), whose sum is σ = 2100117224928. Its totient is φ = 2100102995100.

The previous prime is 2100110110003. The next prime is 2100110110039. The reversal of 2100110110013 is 3100110110012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2100110110013 - 2¹² = 2100110105917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100110109976 and 2100110110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100110110003) 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, 3094631 + ... + 3711732.

It is an arithmetic number, because the mean of its divisors is an integer number (525029306232).

Almost surely, 2^{2100110110013} is an apocalyptic number.

It is an amenable number.

2100110110013 is a deficient number, since it is larger than the sum of its proper divisors (7114915).

2100110110013 is an equidigital number, since it uses as much as digits as its factorization.

2100110110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114914.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 2100110110013 its reverse (3100110110012), we get a palindrome (5200220220025).

Subtracting 2100110110013 from its reverse (3100110110012), we obtain a palindrome (999999999999).

The spelling of 2100110110013 in words is "two trillion, one hundred billion, one hundred ten million, one hundred ten thousand, thirteen".