3172101121 has 4 divisors (see below), whose sum is σ = 3625258432. Its totient is φ = 2718943812.

The previous prime is 3172101073. The next prime is 3172101173. The reversal of 3172101121 is 1211012713.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1211012713 = 7127 ⋅169919.

It is a cyclic number.

It is not a de Polignac number, because 3172101121 - 2¹⁹ = 3171576833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3172101181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226578645 + ... + 226578658.

It is an arithmetic number, because the mean of its divisors is an integer number (906314608).

Almost surely, 2^3172101121 is an apocalyptic number.

It is an amenable number.

3172101121 is a deficient number, since it is larger than the sum of its proper divisors (453157311).

3172101121 is an equidigital number, since it uses as much as digits as its factorization.

3172101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453157310.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 3172101121 is about 56321.4090821599. The cubic root of 3172101121 is about 1469.3175787228.

Adding to 3172101121 its reverse (1211012713), we get a palindrome (4383113834).

The spelling of 3172101121 in words is "three billion, one hundred seventy-two million, one hundred one thousand, one hundred twenty-one".