12201002111121 has 8 divisors (see below), whose sum is σ = 16268054803680. Its totient is φ = 8133975412992.

The previous prime is 12201002111087. The next prime is 12201002111173. The reversal of 12201002111121 is 12111120010221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12201002111121 - 2¹⁷ = 12201001980049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201002111121.

It is not an unprimeable number, because it can be changed into a prime (12201002111191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5375691 + ... + 7300688.

It is an arithmetic number, because the mean of its divisors is an integer number (2033506850460).

Almost surely, 2^{12201002111121} is an apocalyptic number.

It is an amenable number.

12201002111121 is a deficient number, since it is larger than the sum of its proper divisors (4067052692559).

12201002111121 is a wasteful number, since it uses less digits than its factorization.

12201002111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12997215.

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

Adding to 12201002111121 its reverse (12111120010221), we get a palindrome (24312122121342).

The spelling of 12201002111121 in words is "twelve trillion, two hundred one billion, two million, one hundred eleven thousand, one hundred twenty-one".