12221113031 has 8 divisors (see below), whose sum is σ = 12433608960. Its totient is φ = 12008795832.

The previous prime is 12221113013. The next prime is 12221113111. The reversal of 12221113031 is 13031112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221113031 is a prime.

It is a super-2 number, since 2×12221113031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221116031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97136 + ... + 184058.

It is an arithmetic number, because the mean of its divisors is an integer number (1554201120).

Almost surely, 2^12221113031 is an apocalyptic number.

12221113031 is a deficient number, since it is larger than the sum of its proper divisors (212495929).

12221113031 is an equidigital number, since it uses as much as digits as its factorization.

12221113031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89365.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12221113031 its reverse (13031112221), we get a palindrome (25252225252).

The spelling of 12221113031 in words is "twelve billion, two hundred twenty-one million, one hundred thirteen thousand, thirty-one".