12201011011011 has 8 divisors (see below), whose sum is σ = 16534703446864. Its totient is φ = 8000662957920.

The previous prime is 12201011010989. The next prime is 12201011011019. The reversal of 12201011011011 is 11011011010221.

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

It is not a de Polignac number, because 12201011011011 - 2⁹ = 12201011010499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201011011019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33336095476 + ... + 33336095841.

It is an arithmetic number, because the mean of its divisors is an integer number (2066837930858).

Almost surely, 2^{12201011011011} is an apocalyptic number.

12201011011011 is a deficient number, since it is larger than the sum of its proper divisors (4333692435853).

12201011011011 is an equidigital number, since it uses as much as digits as its factorization.

12201011011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66672191381.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12201011011011 its reverse (11011011010221), we get a palindrome (23212022021232).

The spelling of 12201011011011 in words is "twelve trillion, two hundred one billion, eleven million, eleven thousand, eleven".