331221141410221 has 4 divisors (see below), whose sum is σ = 331221226709632. Its totient is φ = 331221056110812.

The previous prime is 331221141410179. The next prime is 331221141410261. The reversal of 331221141410221 is 122014141122133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331221141410221 - 2³¹ = 331218993926573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331221141410221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331221141410261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36532701 + ... + 44688706.

It is an arithmetic number, because the mean of its divisors is an integer number (82805306677408).

Almost surely, 2^{331221141410221} is an apocalyptic number.

It is an amenable number.

331221141410221 is a deficient number, since it is larger than the sum of its proper divisors (85299411).

331221141410221 is an equidigital number, since it uses as much as digits as its factorization.

331221141410221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85299410.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 331221141410221 its reverse (122014141122133), we get a palindrome (453235282532354).

The spelling of 331221141410221 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, one hundred forty-one million, four hundred ten thousand, two hundred twenty-one".