3121022123201 has 4 divisors (see below), whose sum is σ = 3121032146352. Its totient is φ = 3121012100052.

The previous prime is 3121022123179. The next prime is 3121022123209. The reversal of 3121022123201 is 1023212201213.

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 not a de Polignac number, because 3121022123201 - 2¹⁰ = 3121022122177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121022123209) 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, 4529015 + ... + 5172428.

It is an arithmetic number, because the mean of its divisors is an integer number (780258036588).

Almost surely, 2^{3121022123201} is an apocalyptic number.

It is an amenable number.

3121022123201 is a deficient number, since it is larger than the sum of its proper divisors (10023151).

3121022123201 is an equidigital number, since it uses as much as digits as its factorization.

3121022123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023150.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3121022123201 its reverse (1023212201213), we get a palindrome (4144234324414).

The spelling of 3121022123201 in words is "three trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty-three thousand, two hundred one".