210221022122222 has 8 divisors (see below), whose sum is σ = 315384255410472. Its totient is φ = 105092936985400.

The previous prime is 210221022122201. The next prime is 210221022122269. The reversal of 210221022122222 is 222221220122012.

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

It is a super-2 number, since 2×210221022122222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 8787022904 + ... + 8787046827.

It is an arithmetic number, because the mean of its divisors is an integer number (39423031926309).

Almost surely, 2^{210221022122222} is an apocalyptic number.

210221022122222 is a deficient number, since it is larger than the sum of its proper divisors (105163233288250).

210221022122222 is a wasteful number, since it uses less digits than its factorization.

210221022122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17574075714.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 210221022122222 its reverse (222221220122012), we get a palindrome (432442242244234).

The spelling of 210221022122222 in words is "two hundred ten trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".