10132331221 has 2 divisors, whose sum is σ = 10132331222. Its totient is φ = 10132331220.

The previous prime is 10132331219. The next prime is 10132331239. The reversal of 10132331221 is 12213323101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10077348996 + 54982225 = 100386^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 10132331221 - 2¹ = 10132331219 is a prime.

Together with 10132331219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10132331281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066165610 + 5066165611.

It is an arithmetic number, because the mean of its divisors is an integer number (5066165611).

Almost surely, 2^10132331221 is an apocalyptic number.

It is an amenable number.

10132331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10132331221 is an equidigital number, since it uses as much as digits as its factorization.

10132331221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10132331221 its reverse (12213323101), we get a palindrome (22345654322).

The spelling of 10132331221 in words is "ten billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-one".