212003033111 has 4 divisors (see below), whose sum is σ = 212004144072. Its totient is φ = 212001922152.

The previous prime is 212003033069. The next prime is 212003033119. The reversal of 212003033111 is 111330300212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212003033111 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 212003033111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003033119) 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, 188360 + ... + 677853.

It is an arithmetic number, because the mean of its divisors is an integer number (53001036018).

Almost surely, 2^212003033111 is an apocalyptic number.

212003033111 is a deficient number, since it is larger than the sum of its proper divisors (1110961).

212003033111 is an equidigital number, since it uses as much as digits as its factorization.

212003033111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110960.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212003033111 its reverse (111330300212), we get a palindrome (323333333323).

The spelling of 212003033111 in words is "two hundred twelve billion, three million, thirty-three thousand, one hundred eleven".