12221011110331 has 4 divisors (see below), whose sum is σ = 12221133039432. Its totient is φ = 12220889181232.

The previous prime is 12221011110247. The next prime is 12221011110377. The reversal of 12221011110331 is 13301111012221.

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 12221011110331 - 2²¹ = 12221009013179 is a prime.

It is a super-2 number, since 2×12221011110331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221011110299 and 12221011110308.

It is not an unprimeable number, because it can be changed into a prime (12221011110391) 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, 60814081 + ... + 61014706.

It is an arithmetic number, because the mean of its divisors is an integer number (3055283259858).

Almost surely, 2^{12221011110331} is an apocalyptic number.

12221011110331 is a deficient number, since it is larger than the sum of its proper divisors (121929101).

12221011110331 is a wasteful number, since it uses less digits than its factorization.

12221011110331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121929100.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12221011110331 its reverse (13301111012221), we get a palindrome (25522122122552).

The spelling of 12221011110331 in words is "twelve trillion, two hundred twenty-one billion, eleven million, one hundred ten thousand, three hundred thirty-one".