3122201120021 has 8 divisors (see below), whose sum is σ = 3306098485080. Its totient is φ = 2938330252288.

The previous prime is 3122201120011. The next prime is 3122201120069. The reversal of 3122201120021 is 1200211022213.

3122201120021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 48946695121 + 3073254424900 = 221239^2 + 1753070^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3122201120021 - 2¹⁸ = 3122200857877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122201120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6381476 + ... + 6853293.

It is an arithmetic number, because the mean of its divisors is an integer number (413262310635).

Almost surely, 2^{3122201120021} is an apocalyptic number.

It is an amenable number.

3122201120021 is a deficient number, since it is larger than the sum of its proper divisors (183897365059).

3122201120021 is a wasteful number, since it uses less digits than its factorization.

3122201120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248663.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 3122201120021 its reverse (1200211022213), we get a palindrome (4322412142234).

The spelling of 3122201120021 in words is "three trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty thousand, twenty-one".