12101112201 has 4 divisors (see below), whose sum is σ = 16134816272. Its totient is φ = 8067408132.

The previous prime is 12101112197. The next prime is 12101112203. The reversal of 12101112201 is 10221110121.

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 12101112201 - 2² = 12101112197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016852031 + ... + 2016852036.

It is an arithmetic number, because the mean of its divisors is an integer number (4033704068).

Almost surely, 2^12101112201 is an apocalyptic number.

It is an amenable number.

12101112201 is a deficient number, since it is larger than the sum of its proper divisors (4033704071).

12101112201 is an equidigital number, since it uses as much as digits as its factorization.

12101112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033704070.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101112201 its reverse (10221110121), we get a palindrome (22322222322).

The spelling of 12101112201 in words is "twelve billion, one hundred one million, one hundred twelve thousand, two hundred one".