210103121311 has 8 divisors (see below), whose sum is σ = 212208336000. Its totient is φ = 208000529688.

The previous prime is 210103121309. The next prime is 210103121321. The reversal of 210103121311 is 113121301012.

It is a happy number.

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

It is not a de Polignac number, because 210103121311 - 2¹ = 210103121309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103121321) 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 7 ways as a sum of consecutive naturals, for example, 494571 + ... + 815356.

It is an arithmetic number, because the mean of its divisors is an integer number (26526042000).

Almost surely, 2^210103121311 is an apocalyptic number.

210103121311 is a deficient number, since it is larger than the sum of its proper divisors (2105214689).

210103121311 is a wasteful number, since it uses less digits than its factorization.

210103121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311533.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 210103121311 its reverse (113121301012), we get a palindrome (323224422323).

The spelling of 210103121311 in words is "two hundred ten billion, one hundred three million, one hundred twenty-one thousand, three hundred eleven".