3133121132221 has 16 divisors (see below), whose sum is σ = 3203050652928. Its totient is φ = 3063969216000.

The previous prime is 3133121132039. The next prime is 3133121132249. The reversal of 3133121132221 is 1222311213313.

It is not a de Polignac number, because 3133121132221 - 2⁹ = 3133121131709 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 (3133121132261) 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, 6998115 + ... + 7432351.

It is an arithmetic number, because the mean of its divisors is an integer number (200190665808).

Almost surely, 2^{3133121132221} is an apocalyptic number.

It is an amenable number.

3133121132221 is a deficient number, since it is larger than the sum of its proper divisors (69929520707).

3133121132221 is a wasteful number, since it uses less digits than its factorization.

3133121132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435132.

The product of its digits is 1296, while the sum is 25.

Adding to 3133121132221 its reverse (1222311213313), we get a palindrome (4355432345534).

The spelling of 3133121132221 in words is "three trillion, one hundred thirty-three billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred twenty-one".