211111220311313 has 8 divisors (see below), whose sum is σ = 242208759714432. Its totient is φ = 180248379319296.

The previous prime is 211111220311237. The next prime is 211111220311333. The reversal of 211111220311313 is 313113022111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211111220311313 - 2²⁰ = 211111219262737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211111220311333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58674600845 + ... + 58674604442.

It is an arithmetic number, because the mean of its divisors is an integer number (30276094964304).

Almost surely, 2^{211111220311313} is an apocalyptic number.

It is an amenable number.

211111220311313 is a deficient number, since it is larger than the sum of its proper divisors (31097539403119).

211111220311313 is a wasteful number, since it uses less digits than its factorization.

211111220311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117349205551.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 211111220311313 its reverse (313113022111112), we get a palindrome (524224242422425).

The spelling of 211111220311313 in words is "two hundred eleven trillion, one hundred eleven billion, two hundred twenty million, three hundred eleven thousand, three hundred thirteen".