12021000110111 has 8 divisors (see below), whose sum is σ = 12029910735600. Its totient is φ = 12012092484480.

The previous prime is 12021000110107. The next prime is 12021000110113. The reversal of 12021000110111 is 11101100012021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021000110111 - 2² = 12021000110107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021000110092 and 12021000110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021000110113) 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 7 ways as a sum of consecutive naturals, for example, 7299356 + ... + 8793326.

It is an arithmetic number, because the mean of its divisors is an integer number (1503738841950).

Almost surely, 2^{12021000110111} is an apocalyptic number.

12021000110111 is a deficient number, since it is larger than the sum of its proper divisors (8910625489).

12021000110111 is a wasteful number, since it uses less digits than its factorization.

12021000110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499929.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12021000110111 its reverse (11101100012021), we get a palindrome (23122100122132).

The spelling of 12021000110111 in words is "twelve trillion, twenty-one billion, one hundred ten thousand, one hundred eleven".