12221201100011 has 16 divisors (see below), whose sum is σ = 12360954647808. Its totient is φ = 12082308326400.

The previous prime is 12221201099977. The next prime is 12221201100029. The reversal of 12221201100011 is 11000110212221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221201100011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221201100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49664006 + ... + 49909476.

It is an arithmetic number, because the mean of its divisors is an integer number (772559665488).

Almost surely, 2^{12221201100011} is an apocalyptic number.

12221201100011 is a deficient number, since it is larger than the sum of its proper divisors (139753547797).

12221201100011 is a wasteful number, since it uses less digits than its factorization.

12221201100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247222.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12221201100011 its reverse (11000110212221), we get a palindrome (23221311312232).

The spelling of 12221201100011 in words is "twelve trillion, two hundred twenty-one billion, two hundred one million, one hundred thousand, eleven".