210331331121 has 16 divisors (see below), whose sum is σ = 295229446400. Its totient is φ = 132828430608.

The previous prime is 210331331117. The next prime is 210331331153. The reversal of 210331331121 is 121133133012.

It is a happy number.

210331331121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210331331121 - 2² = 210331331117 is a prime.

It is a super-2 number, since 2×210331331121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210331331101) 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 15 ways as a sum of consecutive naturals, for example, 463530 + ... + 797196.

It is an arithmetic number, because the mean of its divisors is an integer number (18451840400).

Almost surely, 2^210331331121 is an apocalyptic number.

It is an amenable number.

210331331121 is a deficient number, since it is larger than the sum of its proper divisors (84898115279).

210331331121 is a wasteful number, since it uses less digits than its factorization.

210331331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344748.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 210331331121 its reverse (121133133012), we get a palindrome (331464464133).

The spelling of 210331331121 in words is "two hundred ten billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty-one".