3121321110121 has 8 divisors (see below), whose sum is σ = 3162002832000. Its totient is φ = 3080668671600.

The previous prime is 3121321110119. The next prime is 3121321110137. The reversal of 3121321110121 is 1210111231213.

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 3121321110121 - 2¹ = 3121321110119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121321110191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106230 + ... + 7532671.

It is an arithmetic number, because the mean of its divisors is an integer number (395250354000).

Almost surely, 2^{3121321110121} is an apocalyptic number.

It is an amenable number.

3121321110121 is a deficient number, since it is larger than the sum of its proper divisors (40681721879).

3121321110121 is a wasteful number, since it uses less digits than its factorization.

3121321110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14641679.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3121321110121 its reverse (1210111231213), we get a palindrome (4331432341334).

The spelling of 3121321110121 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-one million, one hundred ten thousand, one hundred twenty-one".