12002201111 has 4 divisors (see below), whose sum is σ = 12002445000. Its totient is φ = 12001957224.

The previous prime is 12002201077. The next prime is 12002201117. The reversal of 12002201111 is 11110220021.

12002201111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002201111 - 2⁶ = 12002201047 is a prime.

It is a super-4 number, since 4×12002201111⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002201092 and 12002201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002201117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19361 + ... + 156138.

It is an arithmetic number, because the mean of its divisors is an integer number (3000611250).

Almost surely, 2^12002201111 is an apocalyptic number.

12002201111 is a deficient number, since it is larger than the sum of its proper divisors (243889).

12002201111 is an equidigital number, since it uses as much as digits as its factorization.

12002201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243888.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12002201111 its reverse (11110220021), we get a palindrome (23112421132).

The spelling of 12002201111 in words is "twelve billion, two million, two hundred one thousand, one hundred eleven".