3121300100121 has 8 divisors (see below), whose sum is σ = 4756266819264. Its totient is φ = 1783600057200.

The previous prime is 3121300100081. The next prime is 3121300100137. The reversal of 3121300100121 is 1210010031213.

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 3121300100121 - 2²⁶ = 3121232991257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3121300100121.

It is not an unprimeable number, because it can be changed into a prime (3121300100921) 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, 74316669030 + ... + 74316669071.

It is an arithmetic number, because the mean of its divisors is an integer number (594533352408).

Almost surely, 2^{3121300100121} is an apocalyptic number.

It is an amenable number.

3121300100121 is a deficient number, since it is larger than the sum of its proper divisors (1634966719143).

3121300100121 is a wasteful number, since it uses less digits than its factorization.

3121300100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148633338111.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 3121300100121 its reverse (1210010031213), we get a palindrome (4331310131334).

The spelling of 3121300100121 in words is "three trillion, one hundred twenty-one billion, three hundred million, one hundred thousand, one hundred twenty-one".