212013233111 has 12 divisors (see below), whose sum is σ = 225388488360. Its totient is φ = 199358029200.

The previous prime is 212013233083. The next prime is 212013233167. The reversal of 212013233111 is 111332310212.

It is a happy number.

It is not a de Polignac number, because 212013233111 - 2¹⁰ = 212013232087 is a prime.

It is a super-2 number, since 2×212013233111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013233711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3365240 + ... + 3427661.

It is an arithmetic number, because the mean of its divisors is an integer number (18782374030).

Almost surely, 2^212013233111 is an apocalyptic number.

212013233111 is a deficient number, since it is larger than the sum of its proper divisors (13375255249).

212013233111 is an equidigital number, since it uses as much as digits as its factorization.

212013233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793006 (or 6792983 counting only the distinct ones).

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

Adding to 212013233111 its reverse (111332310212), we get a palindrome (323345543323).

The spelling of 212013233111 in words is "two hundred twelve billion, thirteen million, two hundred thirty-three thousand, one hundred eleven".