210022221002122 has 8 divisors (see below), whose sum is σ = 315293045712516. Its totient is φ = 104924539097952.

The previous prime is 210022221002107. The next prime is 210022221002159. The reversal of 210022221002122 is 221200122220012.

It can be written as a sum of positive squares in 2 ways, for example, as 149232146355721 + 60790074646401 = 12216061^2 + 7796799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 210022221002122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43285698523 + ... + 43285703374.

Almost surely, 2^{210022221002122} is an apocalyptic number.

210022221002122 is a deficient number, since it is larger than the sum of its proper divisors (105270824710394).

210022221002122 is a wasteful number, since it uses less digits than its factorization.

210022221002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86571403112.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 210022221002122 its reverse (221200122220012), we get a palindrome (431222343222134).

The spelling of 210022221002122 in words is "two hundred ten trillion, twenty-two billion, two hundred twenty-one million, two thousand, one hundred twenty-two".