12201112220101 has 4 divisors (see below), whose sum is σ = 13944128251552. Its totient is φ = 10458096188652.

The previous prime is 12201112220051. The next prime is 12201112220153. The reversal of 12201112220101 is 10102221110221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12201112220101 - 2²⁹ = 12200575349189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201112520101) 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, 871508015715 + ... + 871508015728.

It is an arithmetic number, because the mean of its divisors is an integer number (3486032062888).

Almost surely, 2^{12201112220101} is an apocalyptic number.

It is an amenable number.

12201112220101 is a deficient number, since it is larger than the sum of its proper divisors (1743016031451).

12201112220101 is an equidigital number, since it uses as much as digits as its factorization.

12201112220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743016031450.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12201112220101 its reverse (10102221110221), we get a palindrome (22303333330322).

The spelling of 12201112220101 in words is "twelve trillion, two hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred one".