3121033300121 has 16 divisors (see below), whose sum is σ = 3507982058880. Its totient is φ = 2752490632320.

The previous prime is 3121033300109. The next prime is 3121033300171. The reversal of 3121033300121 is 1210033301213.

It is not a de Polignac number, because 3121033300121 - 2¹⁸ = 3121033037977 is a prime.

It is a super-2 number, since 2×3121033300121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3121033300093 and 3121033300102.

It is not an unprimeable number, because it can be changed into a prime (3121033300171) 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, 30023405 + ... + 30127178.

It is an arithmetic number, because the mean of its divisors is an integer number (219248878680).

Almost surely, 2^{3121033300121} is an apocalyptic number.

It is an amenable number.

3121033300121 is a deficient number, since it is larger than the sum of its proper divisors (386948758759).

3121033300121 is a wasteful number, since it uses less digits than its factorization.

3121033300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60150736.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3121033300121 its reverse (1210033301213), we get a palindrome (4331066601334).

The spelling of 3121033300121 in words is "three trillion, one hundred twenty-one billion, thirty-three million, three hundred thousand, one hundred twenty-one".