220310123111 has 8 divisors (see below), whose sum is σ = 237435866304. Its totient is φ = 203209924320.

The previous prime is 220310123101. The next prime is 220310123129. The reversal of 220310123111 is 111321013022.

220310123111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-220310123111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220310123111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220310123101) 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 7 ways as a sum of consecutive naturals, for example, 6368180 + ... + 6402681.

It is an arithmetic number, because the mean of its divisors is an integer number (29679483288).

Almost surely, 2^220310123111 is an apocalyptic number.

220310123111 is a deficient number, since it is larger than the sum of its proper divisors (17125743193).

220310123111 is a wasteful number, since it uses less digits than its factorization.

220310123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772201.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 220310123111 its reverse (111321013022), we get a palindrome (331631136133).

The spelling of 220310123111 in words is "two hundred twenty billion, three hundred ten million, one hundred twenty-three thousand, one hundred eleven".