211120230331013 has 4 divisors (see below), whose sum is σ = 211142977913868. Its totient is φ = 211097482748160.

The previous prime is 211120230330953. The next prime is 211120230331051. The reversal of 211120230331013 is 310133032021112.

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 104486973840769 + 106633256490244 = 10221887^2 + 10326338^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120230331013 - 2²⁶ = 211120163222149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211120230331013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211120230331063) 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 3 ways as a sum of consecutive naturals, for example, 11373777506 + ... + 11373796067.

It is an arithmetic number, because the mean of its divisors is an integer number (52785744478467).

Almost surely, 2^{211120230331013} is an apocalyptic number.

It is an amenable number.

211120230331013 is a deficient number, since it is larger than the sum of its proper divisors (22747582855).

211120230331013 is an equidigital number, since it uses as much as digits as its factorization.

211120230331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22747582854.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211120230331013 its reverse (310133032021112), we get a palindrome (521253262352125).

The spelling of 211120230331013 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred thirty million, three hundred thirty-one thousand, thirteen".