211102120013 has 2 divisors, whose sum is σ = 211102120014. Its totient is φ = 211102120012.

The previous prime is 211102119953. The next prime is 211102120093. The reversal of 211102120013 is 310021201112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184228091524 + 26874028489 = 429218^2 + 163933^2 .

It is a cyclic number.

It is not a de Polignac number, because 211102120013 - 2¹⁴ = 211102103629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211102120013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211102120093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551060006 + 105551060007.

It is an arithmetic number, because the mean of its divisors is an integer number (105551060007).

Almost surely, 2^211102120013 is an apocalyptic number.

It is an amenable number.

211102120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

211102120013 is an equidigital number, since it uses as much as digits as its factorization.

211102120013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211102120013 its reverse (310021201112), we get a palindrome (521123321125).

The spelling of 211102120013 in words is "two hundred eleven billion, one hundred two million, one hundred twenty thousand, thirteen".