12111110220201 has 16 divisors (see below), whose sum is σ = 16169931832320. Its totient is φ = 8063183673360.

The previous prime is 12111110220127. The next prime is 12111110220203. The reversal of 12111110220201 is 10202201111121.

It is a happy number.

It is not a de Polignac number, because 12111110220201 - 2¹³ = 12111110212009 is a prime.

It is a super-2 number, since 2×12111110220201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111110220203) 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, 18338706 + ... + 18987636.

It is an arithmetic number, because the mean of its divisors is an integer number (1010620739520).

Almost surely, 2^{12111110220201} is an apocalyptic number.

It is an amenable number.

12111110220201 is a deficient number, since it is larger than the sum of its proper divisors (4058821612119).

12111110220201 is an equidigital number, since it uses as much as digits as its factorization.

12111110220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657316.

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

Adding to 12111110220201 its reverse (10202201111121), we get a palindrome (22313311331322).

The spelling of 12111110220201 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, two hundred twenty thousand, two hundred one".