10231222221211 has 4 divisors (see below), whose sum is σ = 10231258655800. Its totient is φ = 10231185786624.

The previous prime is 10231222221191. The next prime is 10231222221247. The reversal of 10231222221211 is 11212222213201.

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 10231222221211 - 2²⁷ = 10231088003483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231222521211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17792781 + ... + 18358798.

It is an arithmetic number, because the mean of its divisors is an integer number (2557814663950).

Almost surely, 2^{10231222221211} is an apocalyptic number.

10231222221211 is a deficient number, since it is larger than the sum of its proper divisors (36434589).

10231222221211 is an equidigital number, since it uses as much as digits as its factorization.

10231222221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36434588.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10231222221211 its reverse (11212222213201), we get a palindrome (21443444434412).

The spelling of 10231222221211 in words is "ten trillion, two hundred thirty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred eleven".