3201122223021 has 16 divisors (see below), whose sum is σ = 4372553525760. Its totient is φ = 2081893082880.

The previous prime is 3201122223011. The next prime is 3201122223077. The reversal of 3201122223021 is 1203222211023.

It is not a de Polignac number, because 3201122223021 - 2⁵ = 3201122222989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201122223011) 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, 1024785 + ... + 2729913.

It is an arithmetic number, because the mean of its divisors is an integer number (273284595360).

Almost surely, 2^{3201122223021} is an apocalyptic number.

It is an amenable number.

3201122223021 is a deficient number, since it is larger than the sum of its proper divisors (1171431302739).

3201122223021 is a wasteful number, since it uses less digits than its factorization.

3201122223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720436.

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

Adding to 3201122223021 its reverse (1203222211023), we get a palindrome (4404344434044).

The spelling of 3201122223021 in words is "three trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-three thousand, twenty-one".