212133311011 has 6 divisors (see below), whose sum is σ = 219700493012. Its totient is φ = 204818368440.

The previous prime is 212133310999. The next prime is 212133311017. The reversal of 212133311011 is 110113331212.

It is not a de Polignac number, because 212133311011 - 2¹³ = 212133302819 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 212133311011.

It is not an unprimeable number, because it can be changed into a prime (212133311017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126118845 + ... + 126120526.

Almost surely, 2^212133311011 is an apocalyptic number.

212133311011 is a deficient number, since it is larger than the sum of its proper divisors (7567182001).

212133311011 is an equidigital number, since it uses as much as digits as its factorization.

212133311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252239429 (or 252239400 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 212133311011 its reverse (110113331212), we get a palindrome (322246642223).

The spelling of 212133311011 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred eleven thousand, eleven".