210311222113 has 8 divisors (see below), whose sum is σ = 213204593448. Its totient is φ = 207432651264.

The previous prime is 210311222089. The next prime is 210311222131. The reversal of 210311222113 is 311222113012.

210311222113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38788514704 + 171522707409 = 196948^2 + 414153^2 .

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 210311222113 - 2⁵ = 210311222081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210311222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3671506 + ... + 3728347.

It is an arithmetic number, because the mean of its divisors is an integer number (26650574181).

Almost surely, 2^210311222113 is an apocalyptic number.

It is an amenable number.

210311222113 is a deficient number, since it is larger than the sum of its proper divisors (2893371335).

210311222113 is an equidigital number, since it uses as much as digits as its factorization.

210311222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400243.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210311222113 its reverse (311222113012), we get a palindrome (521533335125).

The spelling of 210311222113 in words is "two hundred ten billion, three hundred eleven million, two hundred twenty-two thousand, one hundred thirteen".