3112022003221 has 2 divisors, whose sum is σ = 3112022003222. Its totient is φ = 3112022003220.

The previous prime is 3112022003213. The next prime is 3112022003257. The reversal of 3112022003221 is 1223002202113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2224912324996 + 887109678225 = 1491614^2 + 941865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112022003221 - 2³ = 3112022003213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3112022003521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556011001610 + 1556011001611.

It is an arithmetic number, because the mean of its divisors is an integer number (1556011001611).

Almost surely, 2^{3112022003221} is an apocalyptic number.

It is an amenable number.

3112022003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112022003221 is an equidigital number, since it uses as much as digits as its factorization.

3112022003221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 3112022003221 its reverse (1223002202113), we get a palindrome (4335024205334).

The spelling of 3112022003221 in words is "three trillion, one hundred twelve billion, twenty-two million, three thousand, two hundred twenty-one".