10324031211721 has 2 divisors, whose sum is σ = 10324031211722. Its totient is φ = 10324031211720.

The previous prime is 10324031211691. The next prime is 10324031211779. The reversal of 10324031211721 is 12711213042301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7432793479225 + 2891237732496 = 2726315^2 + 1700364^2 .

It is a cyclic number.

It is not a de Polignac number, because 10324031211721 - 2¹⁹ = 10324030687433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10324031211721.

It is not a weakly prime, because it can be changed into another prime (10324031211821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5162015605860 + 5162015605861.

It is an arithmetic number, because the mean of its divisors is an integer number (5162015605861).

Almost surely, 2^{10324031211721} is an apocalyptic number.

It is an amenable number.

10324031211721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10324031211721 is an equidigital number, since it uses as much as digits as its factorization.

10324031211721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 10324031211721 in words is "ten trillion, three hundred twenty-four billion, thirty-one million, two hundred eleven thousand, seven hundred twenty-one".