210101222013 has 4 divisors (see below), whose sum is σ = 280134962688. Its totient is φ = 140067481340.

The previous prime is 210101222003. The next prime is 210101222017. The reversal of 210101222013 is 310222101012.

210101222013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210101222013 - 2¹³ = 210101213821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210101221983 and 210101222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101222017) 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 3 ways as a sum of consecutive naturals, for example, 35016870333 + ... + 35016870338.

It is an arithmetic number, because the mean of its divisors is an integer number (70033740672).

Almost surely, 2^210101222013 is an apocalyptic number.

It is an amenable number.

210101222013 is a deficient number, since it is larger than the sum of its proper divisors (70033740675).

210101222013 is an equidigital number, since it uses as much as digits as its factorization.

210101222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70033740674.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210101222013 its reverse (310222101012), we get a palindrome (520323323025).

The spelling of 210101222013 in words is "two hundred ten billion, one hundred one million, two hundred twenty-two thousand, thirteen".