212111133222333 has 16 divisors (see below), whose sum is σ = 297700155947520. Its totient is φ = 133964782315056.

The previous prime is 212111133222311. The next prime is 212111133222361. The reversal of 212111133222333 is 333222331111212.

It is a happy number.

It is not a de Polignac number, because 212111133222333 - 2⁵ = 212111133222301 is a prime.

It is a super-2 number, since 2×212111133222333² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212111133222333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111133222383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82797766 + ... + 85321112.

It is an arithmetic number, because the mean of its divisors is an integer number (18606259746720).

Almost surely, 2^{212111133222333} is an apocalyptic number.

It is an amenable number.

212111133222333 is a deficient number, since it is larger than the sum of its proper divisors (85589022725187).

212111133222333 is a wasteful number, since it uses less digits than its factorization.

212111133222333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998096.

The product of its digits is 7776, while the sum is 30.

Adding to 212111133222333 its reverse (333222331111212), we get a palindrome (545333464333545).

The spelling of 212111133222333 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred thirty-three million, two hundred twenty-two thousand, three hundred thirty-three".