10221202201321 has 4 divisors (see below), whose sum is σ = 10822449389652. Its totient is φ = 9619955012992.

The previous prime is 10221202201289. The next prime is 10221202201337. The reversal of 10221202201321 is 12310220212201.

10221202201321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7188940688400 + 3032261512921 = 2681220^2 + 1741339^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221202201321 - 2⁵ = 10221202201289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221202201421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300623594140 + ... + 300623594173.

It is an arithmetic number, because the mean of its divisors is an integer number (2705612347413).

Almost surely, 2^{10221202201321} is an apocalyptic number.

It is an amenable number.

10221202201321 is a deficient number, since it is larger than the sum of its proper divisors (601247188331).

10221202201321 is an equidigital number, since it uses as much as digits as its factorization.

10221202201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601247188330.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10221202201321 its reverse (12310220212201), we get a palindrome (22531422413522).

The spelling of 10221202201321 in words is "ten trillion, two hundred twenty-one billion, two hundred two million, two hundred one thousand, three hundred twenty-one".