3121130133121 has 24 divisors (see below), whose sum is σ = 4265440591104. Its totient is φ = 2244968722080.

The previous prime is 3121130133109. The next prime is 3121130133181. The reversal of 3121130133121 is 1213310311213.

3121130133121 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 3121130133121 - 2¹³ = 3121130124929 is a prime.

It is a super-2 number, since 2×3121130133121² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121130133092 and 3121130133101.

It is not an unprimeable number, because it can be changed into a prime (3121130133181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222708145 + ... + 222722158.

It is an arithmetic number, because the mean of its divisors is an integer number (177726691296).

Almost surely, 2^{3121130133121} is an apocalyptic number.

It is an amenable number.

3121130133121 is a deficient number, since it is larger than the sum of its proper divisors (1144310457983).

3121130133121 is a wasteful number, since it uses less digits than its factorization.

3121130133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445430341 (or 445430334 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3121130133121 its reverse (1213310311213), we get a palindrome (4334440444334).

The spelling of 3121130133121 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, one hundred twenty-one".