12000122201111 has 8 divisors (see below), whose sum is σ = 13096366156800. Its totient is φ = 10904765538040.

The previous prime is 12000122201099. The next prime is 12000122201117. The reversal of 12000122201111 is 11110222100021.

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

It is a de Polignac number, because none of the positive numbers 2^k-12000122201111 is a prime.

It is a super-2 number, since 2×12000122201111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000122201117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221794871 + ... + 221848968.

It is an arithmetic number, because the mean of its divisors is an integer number (1637045769600).

Almost surely, 2^{12000122201111} is an apocalyptic number.

12000122201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000122201111 is a deficient number, since it is larger than the sum of its proper divisors (1096243955689).

12000122201111 is a wasteful number, since it uses less digits than its factorization.

12000122201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443646309.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12000122201111 its reverse (11110222100021), we get a palindrome (23110344301132).

The spelling of 12000122201111 in words is "twelve trillion, one hundred twenty-two million, two hundred one thousand, one hundred eleven".