3231102012221 has 16 divisors (see below), whose sum is σ = 3284764576128. Its totient is φ = 3177924288000.

The previous prime is 3231102012197. The next prime is 3231102012251. The reversal of 3231102012221 is 1222102011323.

It is a cyclic number.

It is not a de Polignac number, because 3231102012221 - 2³⁴ = 3213922143037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231102012193 and 3231102012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231102012251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16058681 + ... + 16258641.

It is an arithmetic number, because the mean of its divisors is an integer number (205297786008).

Almost surely, 2^{3231102012221} is an apocalyptic number.

It is an amenable number.

3231102012221 is a deficient number, since it is larger than the sum of its proper divisors (53662563907).

3231102012221 is a wasteful number, since it uses less digits than its factorization.

3231102012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201172.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3231102012221 its reverse (1222102011323), we get a palindrome (4453204023544).

The spelling of 3231102012221 in words is "three trillion, two hundred thirty-one billion, one hundred two million, twelve thousand, two hundred twenty-one".