12221301211011 has 64 divisors (see below), whose sum is σ = 18547443763200. Its totient is φ = 7950462968448.

The previous prime is 12221301211003. The next prime is 12221301211079. The reversal of 12221301211011 is 11011210312221.

It is a happy number.

12221301211011 is a `hidden beast` number, since 122 + 21 + 301 + 211 + 0 + 11 = 666.

It is not a de Polignac number, because 12221301211011 - 2³ = 12221301211003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221301211411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316865650 + ... + 316904216.

It is an arithmetic number, because the mean of its divisors is an integer number (289803808800).

Almost surely, 2^{12221301211011} is an apocalyptic number.

12221301211011 is a deficient number, since it is larger than the sum of its proper divisors (6326142552189).

12221301211011 is a wasteful number, since it uses less digits than its factorization.

12221301211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39825 (or 39819 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12221301211011 its reverse (11011210312221), we get a palindrome (23232511523232).

The spelling of 12221301211011 in words is "twelve trillion, two hundred twenty-one billion, three hundred one million, two hundred eleven thousand, eleven".