12002111122121 has 8 divisors (see below), whose sum is σ = 12639848997600. Its totient is φ = 11364978028320.

The previous prime is 12002111122063. The next prime is 12002111122151. The reversal of 12002111122121 is 12122111120021.

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

It is a cyclic number.

It is not a de Polignac number, because 12002111122121 - 2¹⁴ = 12002111105737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12002111122121.

It is not an unprimeable number, because it can be changed into a prime (12002111122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151154675 + ... + 151234056.

It is an arithmetic number, because the mean of its divisors is an integer number (1579981124700).

Almost surely, 2^{12002111122121} is an apocalyptic number.

It is an amenable number.

12002111122121 is a deficient number, since it is larger than the sum of its proper divisors (637737875479).

12002111122121 is a wasteful number, since it uses less digits than its factorization.

12002111122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302390839.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12002111122121 its reverse (12122111120021), we get a palindrome (24124222242142).

The spelling of 12002111122121 in words is "twelve trillion, two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".