210021001101222 has 128 divisors (see below), whose sum is σ = 459691863552000. Its totient is φ = 63698366324736.

The previous prime is 210021001101199. The next prime is 210021001101283. The reversal of 210021001101222 is 222101100120012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2490748779 + ... + 2490833097.

It is an arithmetic number, because the mean of its divisors is an integer number (3591342684000).

Almost surely, 2^{210021001101222} is an apocalyptic number.

210021001101222 is an abundant number, since it is smaller than the sum of its proper divisors (249670862450778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210021001101222 is a wasteful number, since it uses less digits than its factorization.

210021001101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88590.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210021001101222 its reverse (222101100120012), we get a palindrome (432122101221234).

The spelling of 210021001101222 in words is "two hundred ten trillion, twenty-one billion, one million, one hundred one thousand, two hundred twenty-two".