210426310011 has 4 divisors (see below), whose sum is σ = 280568413352. Its totient is φ = 140284206672.

The previous prime is 210426310009. The next prime is 210426310043. The reversal of 210426310011 is 110013624012.

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

It is not a de Polignac number, because 210426310011 - 2¹ = 210426310009 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 210426310011.

It is not an unprimeable number, because it can be changed into a prime (210426317011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35071051666 + ... + 35071051671.

It is an arithmetic number, because the mean of its divisors is an integer number (70142103338).

Almost surely, 2^210426310011 is an apocalyptic number.

210426310011 is a deficient number, since it is larger than the sum of its proper divisors (70142103341).

210426310011 is an equidigital number, since it uses as much as digits as its factorization.

210426310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70142103340.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 210426310011 its reverse (110013624012), we get a palindrome (320439934023).

The spelling of 210426310011 in words is "two hundred ten billion, four hundred twenty-six million, three hundred ten thousand, eleven".