321200101222 has 64 divisors (see below), whose sum is σ = 653297799168. Its totient is φ = 114372720000.

The previous prime is 321200101181. The next prime is 321200101237. The reversal of 321200101222 is 222101002123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321200101196 and 321200101205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592054 + ... + 996457.

It is an arithmetic number, because the mean of its divisors is an integer number (10207778112).

Almost surely, 2^321200101222 is an apocalyptic number.

321200101222 is an abundant number, since it is smaller than the sum of its proper divisors (332097697946).

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

321200101222 is a wasteful number, since it uses less digits than its factorization.

321200101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588645.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 321200101222 its reverse (222101002123), we get a palindrome (543301103345).

Subtracting from 321200101222 its reverse (222101002123), we obtain a palindrome (99099099099).

The spelling of 321200101222 in words is "three hundred twenty-one billion, two hundred million, one hundred one thousand, two hundred twenty-two".