12002221121101 has 4 divisors (see below), whose sum is σ = 12633916969600. Its totient is φ = 11370525272604.

The previous prime is 12002221121069. The next prime is 12002221121119. The reversal of 12002221121101 is 10112112220021.

12002221121101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12002221121101 - 2⁵ = 12002221121069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002221121171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315847924221 + ... + 315847924258.

It is an arithmetic number, because the mean of its divisors is an integer number (3158479242400).

Almost surely, 2^{12002221121101} is an apocalyptic number.

It is an amenable number.

12002221121101 is a deficient number, since it is larger than the sum of its proper divisors (631695848499).

12002221121101 is an equidigital number, since it uses as much as digits as its factorization.

12002221121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631695848498.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12002221121101 its reverse (10112112220021), we get a palindrome (22114333341122).

The spelling of 12002221121101 in words is "twelve trillion, two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred one".