210002112020221 has 8 divisors (see below), whose sum is σ = 212417594475840. Its totient is φ = 207593872391712.

The previous prime is 210002112020117. The next prime is 210002112020287. The reversal of 210002112020221 is 122020211200012.

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 210002112020221 - 2⁷ = 210002112020093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002112020195 and 210002112020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002112020321) 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, 1810648456 + ... + 1810764433.

It is an arithmetic number, because the mean of its divisors is an integer number (26552199309480).

Almost surely, 2^{210002112020221} is an apocalyptic number.

It is an amenable number.

210002112020221 is a deficient number, since it is larger than the sum of its proper divisors (2415482455619).

210002112020221 is a wasteful number, since it uses less digits than its factorization.

210002112020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621413555.

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

Adding to 210002112020221 its reverse (122020211200012), we get a palindrome (332022323220233).

The spelling of 210002112020221 in words is "two hundred ten trillion, two billion, one hundred twelve million, twenty thousand, two hundred twenty-one".