212421113233111 has 8 divisors (see below), whose sum is σ = 213338780744544. Its totient is φ = 211503496909440.

The previous prime is 212421113233081. The next prime is 212421113233129. The reversal of 212421113233111 is 111332311124212.

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 212421113233111 - 2⁵ = 212421113233079 is a prime.

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 212421113233111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212421113833111) 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, 4467646 + ... + 21090331.

It is an arithmetic number, because the mean of its divisors is an integer number (26667347593068).

Almost surely, 2^{212421113233111} is an apocalyptic number.

212421113233111 is a deficient number, since it is larger than the sum of its proper divisors (917667511433).

212421113233111 is a wasteful number, since it uses less digits than its factorization.

212421113233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25593881.

The product of its digits is 1728, while the sum is 28.

Adding to 212421113233111 its reverse (111332311124212), we get a palindrome (323753424357323).

The spelling of 212421113233111 in words is "two hundred twelve trillion, four hundred twenty-one billion, one hundred thirteen million, two hundred thirty-three thousand, one hundred eleven".