13266111220201 has 32 divisors (see below), whose sum is σ = 15511598661632. Its totient is φ = 11110975001280.

The previous prime is 13266111220169. The next prime is 13266111220253. The reversal of 13266111220201 is 10202211166231.

It is not a de Polignac number, because 13266111220201 - 2⁵ = 13266111220169 is a prime.

It is a super-2 number, since 2×13266111220201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13266111220201.

It is not an unprimeable number, because it can be changed into a prime (13266111220291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379220131 + ... + 379255111.

It is an arithmetic number, because the mean of its divisors is an integer number (484737458176).

Almost surely, 2^{13266111220201} is an apocalyptic number.

It is an amenable number.

13266111220201 is a deficient number, since it is larger than the sum of its proper divisors (2245487441431).

13266111220201 is a wasteful number, since it uses less digits than its factorization.

13266111220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41549.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 13266111220201 its reverse (10202211166231), we get a palindrome (23468322386432).

The spelling of 13266111220201 in words is "thirteen trillion, two hundred sixty-six billion, one hundred eleven million, two hundred twenty thousand, two hundred one".