12201000110001 has 16 divisors (see below), whose sum is σ = 18155183726400. Its totient is φ = 8098167469824.

The previous prime is 12201000109999. The next prime is 12201000110011. The reversal of 12201000110001 is 10001100010221.

It is a happy number.

It is not a de Polignac number, because 12201000110001 - 2¹ = 12201000109999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12201000110011) 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 15 ways as a sum of consecutive naturals, for example, 995343856 + ... + 995356113.

It is an arithmetic number, because the mean of its divisors is an integer number (1134698982900).

Almost surely, 2^{12201000110001} is an apocalyptic number.

It is an amenable number.

12201000110001 is a deficient number, since it is larger than the sum of its proper divisors (5954183616399).

12201000110001 is a wasteful number, since it uses less digits than its factorization.

12201000110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990700205 (or 1990700199 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12201000110001 its reverse (10001100010221), we get a palindrome (22202100120222).

The spelling of 12201000110001 in words is "twelve trillion, two hundred one billion, one hundred ten thousand, one".