12211110012201 has 64 divisors (see below), whose sum is σ = 17630191987200. Its totient is φ = 7489233063936.

The previous prime is 12211110012163. The next prime is 12211110012209. The reversal of 12211110012201 is 10221001111221.

It is a happy number.

It is not a de Polignac number, because 12211110012201 - 2¹¹ = 12211110010153 is a prime.

It is a super-4 number, since 4×12211110012201⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12211110012209) 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, 966291855 + ... + 966304491.

It is an arithmetic number, because the mean of its divisors is an integer number (275471749800).

Almost surely, 2^{12211110012201} is an apocalyptic number.

It is an amenable number.

12211110012201 is a deficient number, since it is larger than the sum of its proper divisors (5419081974999).

12211110012201 is a wasteful number, since it uses less digits than its factorization.

12211110012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14018.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211110012201 its reverse (10221001111221), we get a palindrome (22432111123422).

The spelling of 12211110012201 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, twelve thousand, two hundred one".