210221121010222 has 16 divisors (see below), whose sum is σ = 360718085371392. Its totient is φ = 90010010951640.

The previous prime is 210221121010177. The next prime is 210221121010247. The reversal of 210221121010222 is 222010121122012.

It is a self number, because there is not a number n which added to its sum of digits gives 210221121010222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062917554 + ... + 7062947317.

It is an arithmetic number, because the mean of its divisors is an integer number (22544880335712).

Almost surely, 2^{210221121010222} is an apocalyptic number.

210221121010222 is a deficient number, since it is larger than the sum of its proper divisors (150496964361170).

210221121010222 is a wasteful number, since it uses less digits than its factorization.

210221121010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125865943.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210221121010222 its reverse (222010121122012), we get a palindrome (432231242132234).

The spelling of 210221121010222 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred twenty-one million, ten thousand, two hundred twenty-two".