12101222111122 has 8 divisors (see below), whose sum is σ = 18152093568816. Its totient is φ = 6050524254852.

The previous prime is 12101222111113. The next prime is 12101222111123. The reversal of 12101222111122 is 22111122210121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12101222111122.

It is not an unprimeable number, because it can be changed into a prime (12101222111123) 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, 43225948 + ... + 43504999.

It is an arithmetic number, because the mean of its divisors is an integer number (2269011696102).

Almost surely, 2^{12101222111122} is an apocalyptic number.

12101222111122 is a deficient number, since it is larger than the sum of its proper divisors (6050871457694).

12101222111122 is an equidigital number, since it uses as much as digits as its factorization.

12101222111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86800712.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12101222111122 its reverse (22111122210121), we get a palindrome (34212344321243).

The spelling of 12101222111122 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-two".