10221231313211 has 4 divisors (see below), whose sum is σ = 10221251866872. Its totient is φ = 10221210759552.

The previous prime is 10221231313201. The next prime is 10221231313217. The reversal of 10221231313211 is 11231313212201.

It is a happy number.

10221231313211 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 is a cyclic number.

It is not a de Polignac number, because 10221231313211 - 2³⁸ = 9946353406267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10221231313217) 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, 9511910 + ... + 10531803.

It is an arithmetic number, because the mean of its divisors is an integer number (2555312966718).

Almost surely, 2^{10221231313211} is an apocalyptic number.

10221231313211 is a deficient number, since it is larger than the sum of its proper divisors (20553661).

10221231313211 is an equidigital number, since it uses as much as digits as its factorization.

10221231313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20553660.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10221231313211 its reverse (11231313212201), we get a palindrome (21452544525412).

The spelling of 10221231313211 in words is "ten trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred thirteen thousand, two hundred eleven".