210022001202221 has 32 divisors (see below), whose sum is σ = 239579304007680. Its totient is φ = 182509627507200.

The previous prime is 210022001202217. The next prime is 210022001202269. The reversal of 210022001202221 is 122202100220012.

It is a happy number.

It is not a de Polignac number, because 210022001202221 - 2² = 210022001202217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210022001202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022001202271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42624011 + ... + 47295351.

It is an arithmetic number, because the mean of its divisors is an integer number (7486853250240).

Almost surely, 2^{210022001202221} is an apocalyptic number.

It is an amenable number.

210022001202221 is a deficient number, since it is larger than the sum of its proper divisors (29557302805459).

210022001202221 is a wasteful number, since it uses less digits than its factorization.

210022001202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672517.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210022001202221 its reverse (122202100220012), we get a palindrome (332224101422233).

The spelling of 210022001202221 in words is "two hundred ten trillion, twenty-two billion, one million, two hundred two thousand, two hundred twenty-one".