12111220202011 has 8 divisors (see below), whose sum is σ = 14135892272640. Its totient is φ = 10160172570408.

The previous prime is 12111220201999. The next prime is 12111220202051. The reversal of 12111220202011 is 11020202211121.

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

It is not a de Polignac number, because 12111220202011 - 2¹³ = 12111220193819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111220202051) 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, 18406109401 + ... + 18406110058.

It is an arithmetic number, because the mean of its divisors is an integer number (1766986534080).

Almost surely, 2^{12111220202011} is an apocalyptic number.

12111220202011 is a deficient number, since it is larger than the sum of its proper divisors (2024672070629).

12111220202011 is an equidigital number, since it uses as much as digits as its factorization.

12111220202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36812219513.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111220202011 its reverse (11020202211121), we get a palindrome (23131422413132).

The spelling of 12111220202011 in words is "twelve trillion, one hundred eleven billion, two hundred twenty million, two hundred two thousand, eleven".