12211001010011 has 4 divisors (see below), whose sum is σ = 12214792072224. Its totient is φ = 12207209947800.

The previous prime is 12211001010001. The next prime is 12211001010023. The reversal of 12211001010011 is 11001010011221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12211001010011 - 2³⁸ = 11936123103067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211001009974 and 12211001010001.

It is not an unprimeable number, because it can be changed into a prime (12211001010001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895526275 + ... + 1895532716.

It is an arithmetic number, because the mean of its divisors is an integer number (3053698018056).

Almost surely, 2^{12211001010011} is an apocalyptic number.

12211001010011 is a deficient number, since it is larger than the sum of its proper divisors (3791062213).

12211001010011 is an equidigital number, since it uses as much as digits as its factorization.

12211001010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791062212.

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

Adding to 12211001010011 its reverse (11001010011221), we get a palindrome (23212011021232).

The spelling of 12211001010011 in words is "twelve trillion, two hundred eleven billion, one million, ten thousand, eleven".