213211330332122 has 8 divisors (see below), whose sum is σ = 319817058432372. Its totient is φ = 106605644188000.

The previous prime is 213211330332109. The next prime is 213211330332137. The reversal of 213211330332122 is 221233033112312.

It can be written as a sum of positive squares in 2 ways, for example, as 186656282652841 + 26555047679281 = 13662221^2 + 5153159^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11114222 + ... + 23450982.

Almost surely, 2^{213211330332122} is an apocalyptic number.

213211330332122 is a deficient number, since it is larger than the sum of its proper divisors (106605728100250).

213211330332122 is a wasteful number, since it uses less digits than its factorization.

213211330332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20978064.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 213211330332122 its reverse (221233033112312), we get a palindrome (434444363444434).

The spelling of 213211330332122 in words is "two hundred thirteen trillion, two hundred eleven billion, three hundred thirty million, three hundred thirty-two thousand, one hundred twenty-two".