3201122122201 has 4 divisors (see below), whose sum is σ = 3204874903972. Its totient is φ = 3197369340432.

The previous prime is 3201122122199. The next prime is 3201122122207. The reversal of 3201122122201 is 1022212211023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582437606976 + 2618684515225 = 763176^2 + 1618235^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201122122201 - 2¹ = 3201122122199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201122122207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876389606 + ... + 1876391311.

It is an arithmetic number, because the mean of its divisors is an integer number (801218725993).

Almost surely, 2^{3201122122201} is an apocalyptic number.

It is an amenable number.

3201122122201 is a deficient number, since it is larger than the sum of its proper divisors (3752781771).

3201122122201 is an equidigital number, since it uses as much as digits as its factorization.

3201122122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752781770.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3201122122201 its reverse (1022212211023), we get a palindrome (4223334333224).

The spelling of 3201122122201 in words is "three trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".