213012323330111 has 4 divisors (see below), whose sum is σ = 213014504791224. Its totient is φ = 213010141869000.

The previous prime is 213012323330101. The next prime is 213012323330137. The reversal of 213012323330111 is 111033323210312.

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 213012323330111 - 2²² = 213012319135807 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 (213012323330101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090584080 + ... + 1090779381.

It is an arithmetic number, because the mean of its divisors is an integer number (53253626197806).

Almost surely, 2^{213012323330111} is an apocalyptic number.

213012323330111 is a deficient number, since it is larger than the sum of its proper divisors (2181461113).

213012323330111 is an equidigital number, since it uses as much as digits as its factorization.

213012323330111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181461112.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 213012323330111 its reverse (111033323210312), we get a palindrome (324045646540423).

The spelling of 213012323330111 in words is "two hundred thirteen trillion, twelve billion, three hundred twenty-three million, three hundred thirty thousand, one hundred eleven".