211003101320113 has 4 divisors (see below), whose sum is σ = 211003134500340. Its totient is φ = 211003068139888.

The previous prime is 211003101320029. The next prime is 211003101320117. The reversal of 211003101320113 is 311023101300112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90149840804529 + 120853260515584 = 9494727^2 + 10993328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211003101320113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211003101320117) 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, 3726370 + ... + 20878027.

It is an arithmetic number, because the mean of its divisors is an integer number (52750783625085).

Almost surely, 2^{211003101320113} is an apocalyptic number.

It is an amenable number.

211003101320113 is a deficient number, since it is larger than the sum of its proper divisors (33180227).

211003101320113 is an equidigital number, since it uses as much as digits as its factorization.

211003101320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33180226.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 211003101320113 its reverse (311023101300112), we get a palindrome (522026202620225).

The spelling of 211003101320113 in words is "two hundred eleven trillion, three billion, one hundred one million, three hundred twenty thousand, one hundred thirteen".