212033211311 has 4 divisors (see below), whose sum is σ = 212037144192. Its totient is φ = 212029278432.

The previous prime is 212033211307. The next prime is 212033211323. The reversal of 212033211311 is 113112330212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212033211311 - 2² = 212033211307 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 (212033213311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1884431 + ... + 1993776.

It is an arithmetic number, because the mean of its divisors is an integer number (53009286048).

Almost surely, 2^212033211311 is an apocalyptic number.

212033211311 is a deficient number, since it is larger than the sum of its proper divisors (3932881).

212033211311 is an equidigital number, since it uses as much as digits as its factorization.

212033211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932880.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212033211311 its reverse (113112330212), we get a palindrome (325145541523).

The spelling of 212033211311 in words is "two hundred twelve billion, thirty-three million, two hundred eleven thousand, three hundred eleven".