12011220020111 has 8 divisors (see below), whose sum is σ = 12935249078640. Its totient is φ = 11087203684032.

The previous prime is 12011220020087. The next prime is 12011220020113. The reversal of 12011220020111 is 11102002211021.

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 12011220020111 - 2¹⁰ = 12011220019087 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 (12011220020113) 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, 1172846 + ... + 5039643.

It is an arithmetic number, because the mean of its divisors is an integer number (1616906134830).

Almost surely, 2^{12011220020111} is an apocalyptic number.

12011220020111 is a deficient number, since it is larger than the sum of its proper divisors (924029058529).

12011220020111 is a wasteful number, since it uses less digits than its factorization.

12011220020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6361225.

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

Adding to 12011220020111 its reverse (11102002211021), we get a palindrome (23113222231132).

The spelling of 12011220020111 in words is "twelve trillion, eleven billion, two hundred twenty million, twenty thousand, one hundred eleven".