12011120221211 has 8 divisors (see below), whose sum is σ = 12821358873600. Its totient is φ = 11218689011880.

The previous prime is 12011120221207. The next prime is 12011120221223. The reversal of 12011120221211 is 11212202111021.

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 12011120221211 - 2² = 12011120221207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011120221211.

It is not an unprimeable number, because it can be changed into a prime (12011120221231) 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, 4451859371 + ... + 4451862068.

It is an arithmetic number, because the mean of its divisors is an integer number (1602669859200).

Almost surely, 2^{12011120221211} is an apocalyptic number.

12011120221211 is a deficient number, since it is larger than the sum of its proper divisors (810238652389).

12011120221211 is an equidigital number, since it uses as much as digits as its factorization.

12011120221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903721529.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12011120221211 its reverse (11212202111021), we get a palindrome (23223322332232).

The spelling of 12011120221211 in words is "twelve trillion, eleven billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eleven".