2111130202013 has 12 divisors (see below), whose sum is σ = 2502140458140. Its totient is φ = 1775397903552.

The previous prime is 2111130202009. The next prime is 2111130202021. The reversal of 2111130202013 is 3102020311112.

It can be written as a sum of positive squares in 2 ways, for example, as 1296997544164 + 814132657849 = 1138858^2 + 902293^2 .

It is not a de Polignac number, because 2111130202013 - 2² = 2111130202009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111130201982 and 2111130202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111130202003) 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, 406452968 + ... + 406458161.

It is an arithmetic number, because the mean of its divisors is an integer number (208511704845).

Almost surely, 2^{2111130202013} is an apocalyptic number.

It is an amenable number.

2111130202013 is a deficient number, since it is larger than the sum of its proper divisors (391010256127).

2111130202013 is an equidigital number, since it uses as much as digits as its factorization.

2111130202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812911196 (or 812911189 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2111130202013 its reverse (3102020311112), we get a palindrome (5213150513125).

The spelling of 2111130202013 in words is "two trillion, one hundred eleven billion, one hundred thirty million, two hundred two thousand, thirteen".