12021102200221 has 8 divisors (see below), whose sum is σ = 12263906741760. Its totient is φ = 11779599560352.

The previous prime is 12021102200213. The next prime is 12021102200243. The reversal of 12021102200221 is 12200220112021.

It is a happy number.

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 12021102200221 - 2³ = 12021102200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021102200195 and 12021102200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021102200251) 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, 325456765 + ... + 325493698.

It is an arithmetic number, because the mean of its divisors is an integer number (1532988342720).

Almost surely, 2^{12021102200221} is an apocalyptic number.

It is an amenable number.

12021102200221 is a deficient number, since it is larger than the sum of its proper divisors (242804541539).

12021102200221 is an equidigital number, since it uses as much as digits as its factorization.

12021102200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650950835.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12021102200221 its reverse (12200220112021), we get a palindrome (24221322312242).

The spelling of 12021102200221 in words is "twelve trillion, twenty-one billion, one hundred two million, two hundred thousand, two hundred twenty-one".