210022010211221 has 8 divisors (see below), whose sum is σ = 226351131632640. Its totient is φ = 193717686243312.

The previous prime is 210022010211197. The next prime is 210022010211269. The reversal of 210022010211221 is 122112010220012.

210022010211221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210022010211221 - 2¹⁴ = 210022010194837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210022010211221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022010211281) 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, 6199345781 + ... + 6199379658.

It is an arithmetic number, because the mean of its divisors is an integer number (28293891454080).

Almost surely, 2^{210022010211221} is an apocalyptic number.

It is an amenable number.

210022010211221 is a deficient number, since it is larger than the sum of its proper divisors (16329121421419).

210022010211221 is a wasteful number, since it uses less digits than its factorization.

210022010211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398726755.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210022010211221 its reverse (122112010220012), we get a palindrome (332134020431233).

The spelling of 210022010211221 in words is "two hundred ten trillion, twenty-two billion, ten million, two hundred eleven thousand, two hundred twenty-one".