2211112012013 has 2 divisors, whose sum is σ = 2211112012014. Its totient is φ = 2211112012012.

The previous prime is 2211112012009. The next prime is 2211112012097. The reversal of 2211112012013 is 3102102111122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1347229132804 + 863882879209 = 1160702^2 + 929453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211112012013 - 2² = 2211112012009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211112011982 and 2211112012000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211112017013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105556006006 + 1105556006007.

It is an arithmetic number, because the mean of its divisors is an integer number (1105556006007).

Almost surely, 2^{2211112012013} is an apocalyptic number.

It is an amenable number.

2211112012013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211112012013 is an equidigital number, since it uses as much as digits as its factorization.

2211112012013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2211112012013 its reverse (3102102111122), we get a palindrome (5313214123135).

The spelling of 2211112012013 in words is "two trillion, two hundred eleven billion, one hundred twelve million, twelve thousand, thirteen".