3203122134221 has 4 divisors (see below), whose sum is σ = 3203125852572. Its totient is φ = 3203118415872.

The previous prime is 3203122134217. The next prime is 3203122134239. The reversal of 3203122134221 is 1224312213023.

3203122134221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1462672548100 + 1740449586121 = 1209410^2 + 1319261^2 .

It is a cyclic number.

It is not a de Polignac number, because 3203122134221 - 2² = 3203122134217 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 (3203122134211) 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, 174491 + ... + 2537063.

It is an arithmetic number, because the mean of its divisors is an integer number (800781463143).

Almost surely, 2^{3203122134221} is an apocalyptic number.

It is an amenable number.

3203122134221 is a deficient number, since it is larger than the sum of its proper divisors (3718351).

3203122134221 is a wasteful number, since it uses less digits than its factorization.

3203122134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718350.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 3203122134221 its reverse (1224312213023), we get a palindrome (4427434347244).

The spelling of 3203122134221 in words is "three trillion, two hundred three billion, one hundred twenty-two million, one hundred thirty-four thousand, two hundred twenty-one".