12002110101221 has 4 divisors (see below), whose sum is σ = 12002142664512. Its totient is φ = 12002077537932.

The previous prime is 12002110101217. The next prime is 12002110101277. The reversal of 12002110101221 is 12210101120021.

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 12002110101221 - 2² = 12002110101217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002110101196 and 12002110101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002110101521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15722375 + ... + 16468068.

It is an arithmetic number, because the mean of its divisors is an integer number (3000535666128).

Almost surely, 2^{12002110101221} is an apocalyptic number.

It is an amenable number.

12002110101221 is a deficient number, since it is larger than the sum of its proper divisors (32563291).

12002110101221 is an equidigital number, since it uses as much as digits as its factorization.

12002110101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32563290.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12002110101221 its reverse (12210101120021), we get a palindrome (24212211221242).

The spelling of 12002110101221 in words is "twelve trillion, two billion, one hundred ten million, one hundred one thousand, two hundred twenty-one".