3121233011201 has 4 divisors (see below), whose sum is σ = 3121271811504. Its totient is φ = 3121194210900.

The previous prime is 3121233011191. The next prime is 3121233011207. The reversal of 3121233011201 is 1021103321213.

It is a happy number.

3121233011201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3121233011201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121233011207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19279235 + ... + 19440456.

It is an arithmetic number, because the mean of its divisors is an integer number (780317952876).

Almost surely, 2^{3121233011201} is an apocalyptic number.

It is an amenable number.

3121233011201 is a deficient number, since it is larger than the sum of its proper divisors (38800303).

3121233011201 is an equidigital number, since it uses as much as digits as its factorization.

3121233011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800302.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3121233011201 its reverse (1021103321213), we get a palindrome (4142336332414).

The spelling of 3121233011201 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-three million, eleven thousand, two hundred one".