220012230311 has 4 divisors (see below), whose sum is σ = 231591821400. Its totient is φ = 208432639224.

The previous prime is 220012230287. The next prime is 220012230323. The reversal of 220012230311 is 113032210022.

220012230311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220012230311 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 220012230311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012230211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789795516 + ... + 5789795553.

It is an arithmetic number, because the mean of its divisors is an integer number (57897955350).

Almost surely, 2^220012230311 is an apocalyptic number.

220012230311 is a deficient number, since it is larger than the sum of its proper divisors (11579591089).

220012230311 is a wasteful number, since it uses less digits than its factorization.

220012230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579591088.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220012230311 its reverse (113032210022), we get a palindrome (333044440333).

The spelling of 220012230311 in words is "two hundred twenty billion, twelve million, two hundred thirty thousand, three hundred eleven".