10211213321 has 2 divisors, whose sum is σ = 10211213322. Its totient is φ = 10211213320.

The previous prime is 10211213291. The next prime is 10211213357. The reversal of 10211213321 is 12331211201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9518734096 + 692479225 = 97564^2 + 26315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211213321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211213321.

It is not a weakly prime, because it can be changed into another prime (10211213381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105606660 + 5105606661.

It is an arithmetic number, because the mean of its divisors is an integer number (5105606661).

Almost surely, 2^10211213321 is an apocalyptic number.

It is an amenable number.

10211213321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211213321 is an equidigital number, since it uses as much as digits as its factorization.

10211213321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10211213321 its reverse (12331211201), we get a palindrome (22542424522).

The spelling of 10211213321 in words is "ten billion, two hundred eleven million, two hundred thirteen thousand, three hundred twenty-one".