3112001724421 has 2 divisors, whose sum is σ = 3112001724422. Its totient is φ = 3112001724420.

The previous prime is 3112001724383. The next prime is 3112001724451. The reversal of 3112001724421 is 1244271002113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1888796692225 + 1223205032196 = 1374335^2 + 1105986^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112001724421 - 2²³ = 3111993335813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3112001724421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112001724451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556000862210 + 1556000862211.

It is an arithmetic number, because the mean of its divisors is an integer number (1556000862211).

Almost surely, 2^{3112001724421} is an apocalyptic number.

It is an amenable number.

3112001724421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112001724421 is an equidigital number, since it uses as much as digits as its factorization.

3112001724421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 3112001724421 its reverse (1244271002113), we get a palindrome (4356272726534).

The spelling of 3112001724421 in words is "three trillion, one hundred twelve billion, one million, seven hundred twenty-four thousand, four hundred twenty-one".