12221112001022 has 8 divisors (see below), whose sum is σ = 18350625261936. Its totient is φ = 6104236913712.

The previous prime is 12221112001009. The next prime is 12221112001027. The reversal of 12221112001022 is 22010021112221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221112001027) 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, 3159540983 + ... + 3159544850.

It is an arithmetic number, because the mean of its divisors is an integer number (2293828157742).

Almost surely, 2^{12221112001022} is an apocalyptic number.

12221112001022 is a deficient number, since it is larger than the sum of its proper divisors (6129513260914).

12221112001022 is an equidigital number, since it uses as much as digits as its factorization.

12221112001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319086802.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221112001022 its reverse (22010021112221), we get a palindrome (34231133113243).

The spelling of 12221112001022 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, one thousand, twenty-two".