12211333012011 has 32 divisors (see below), whose sum is σ = 18844054617600. Its totient is φ = 6889515621120.

The previous prime is 12211333012009. The next prime is 12211333012019. The reversal of 12211333012011 is 11021033311221.

It is not a de Polignac number, because 12211333012011 - 2¹ = 12211333012009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12211333012019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3436176 + ... + 6019133.

It is an arithmetic number, because the mean of its divisors is an integer number (588876706800).

Almost surely, 2^{12211333012011} is an apocalyptic number.

12211333012011 is a deficient number, since it is larger than the sum of its proper divisors (6632721605589).

12211333012011 is an equidigital number, since it uses as much as digits as its factorization.

12211333012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9456099.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12211333012011 its reverse (11021033311221), we get a palindrome (23232366323232).

The spelling of 12211333012011 in words is "twelve trillion, two hundred eleven billion, three hundred thirty-three million, twelve thousand, eleven".