322120212121 has 8 divisors (see below), whose sum is σ = 324731663360. Its totient is φ = 319509934128.

The previous prime is 322120212119. The next prime is 322120212151. The reversal of 322120212121 is 121212021223.

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

It is a cyclic number.

It is not a de Polignac number, because 322120212121 - 2¹ = 322120212119 is a prime.

It is a super-2 number, since 2×322120212121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322120212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262270 + ... + 844408.

It is an arithmetic number, because the mean of its divisors is an integer number (40591457920).

Almost surely, 2^322120212121 is an apocalyptic number.

It is an amenable number.

322120212121 is a deficient number, since it is larger than the sum of its proper divisors (2611451239).

322120212121 is a wasteful number, since it uses less digits than its factorization.

322120212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586623.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 322120212121 its reverse (121212021223), we get a palindrome (443332233344).

It can be divided in two parts, 3221202 and 12121, that added together give a palindrome (3233323).

The spelling of 322120212121 in words is "three hundred twenty-two billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-one".