212100121333 has 16 divisors (see below), whose sum is σ = 219425230080. Its totient is φ = 204903530496.

The previous prime is 212100121319. The next prime is 212100121379. The reversal of 212100121333 is 333121001212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212100121333 is a prime.

It is a super-2 number, since 2×212100121333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212100121333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100421333) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1666485 + ... + 1789237.

It is an arithmetic number, because the mean of its divisors is an integer number (13714076880).

Almost surely, 2^212100121333 is an apocalyptic number.

It is an amenable number.

212100121333 is a deficient number, since it is larger than the sum of its proper divisors (7325108747).

212100121333 is a wasteful number, since it uses less digits than its factorization.

212100121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123276.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212100121333 its reverse (333121001212), we get a palindrome (545221122545).

The spelling of 212100121333 in words is "two hundred twelve billion, one hundred million, one hundred twenty-one thousand, three hundred thirty-three".