212233303111 has 4 divisors (see below), whose sum is σ = 215830477800. Its totient is φ = 208636128424.

The previous prime is 212233303063. The next prime is 212233303141. The reversal of 212233303111 is 111303332212.

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 212233303111 - 2¹³ = 212233294919 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 (212233303141) 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, 1798587256 + ... + 1798587373.

It is an arithmetic number, because the mean of its divisors is an integer number (53957619450).

Almost surely, 2^212233303111 is an apocalyptic number.

212233303111 is a deficient number, since it is larger than the sum of its proper divisors (3597174689).

212233303111 is an equidigital number, since it uses as much as digits as its factorization.

212233303111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597174688.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212233303111 its reverse (111303332212), we get a palindrome (323536635323).

The spelling of 212233303111 in words is "two hundred twelve billion, two hundred thirty-three million, three hundred three thousand, one hundred eleven".