3112002322221 has 16 divisors (see below), whose sum is σ = 4475877830144. Its totient is φ = 1911923348544.

The previous prime is 3112002322217. The next prime is 3112002322241. The reversal of 3112002322221 is 1222232002113.

It is not a de Polignac number, because 3112002322221 - 2² = 3112002322217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112002322201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65705266 + ... + 65752611.

It is an arithmetic number, because the mean of its divisors is an integer number (279742364384).

Almost surely, 2^{3112002322221} is an apocalyptic number.

It is an amenable number.

3112002322221 is a deficient number, since it is larger than the sum of its proper divisors (1363875507923).

3112002322221 is a wasteful number, since it uses less digits than its factorization.

3112002322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131458500.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3112002322221 its reverse (1222232002113), we get a palindrome (4334234324334).

The spelling of 3112002322221 in words is "three trillion, one hundred twelve billion, two million, three hundred twenty-two thousand, two hundred twenty-one".