212122113211333 has 8 divisors (see below), whose sum is σ = 236316412596600. Its totient is φ = 189053130076608.

The previous prime is 212122113211303. The next prime is 212122113211357. The reversal of 212122113211333 is 333112311221212.

It can be written as a sum of positive squares in 4 ways, for example, as 78948074529 + 212043165136804 = 280977^2 + 14561702^2 .

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 212122113211333 - 2⁴⁵ = 176937741122501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122113211303) 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, 281329062238 + ... + 281329062991.

It is an arithmetic number, because the mean of its divisors is an integer number (29539551574575).

Almost surely, 2^{212122113211333} is an apocalyptic number.

It is an amenable number.

212122113211333 is a deficient number, since it is larger than the sum of its proper divisors (24194299385267).

212122113211333 is a wasteful number, since it uses less digits than its factorization.

212122113211333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562658125271.

The product of its digits is 2592, while the sum is 28.

Adding to 212122113211333 its reverse (333112311221212), we get a palindrome (545234424432545).

The spelling of 212122113211333 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred thirteen million, two hundred eleven thousand, three hundred thirty-three".