10801321 has 2 divisors, whose sum is σ = 10801322. Its totient is φ = 10801320.

The previous prime is 10801319. The next prime is 10801333. The reversal of 10801321 is 12310801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 4247721 = 2560^2 + 2061^2 .

It is an emirp because it is prime and its reverse (12310801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10801321 - 2¹ = 10801319 is a prime.

Together with 10801319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10801295 and 10801304.

It is not a weakly prime, because it can be changed into another prime (10801381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5400660 + 5400661.

It is an arithmetic number, because the mean of its divisors is an integer number (5400661).

Almost surely, 2^10801321 is an apocalyptic number.

It is an amenable number.

10801321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10801321 is an equidigital number, since it uses as much as digits as its factorization.

10801321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10801321 is about 3286.5363226351. The cubic root of 10801321 is about 221.0509017836.

It can be divided in two parts, 1080 and 1321, that added together give a 4-th power (2401 = 7⁴).

The spelling of 10801321 in words is "ten million, eight hundred one thousand, three hundred twenty-one".