220220311123 has 8 divisors (see below), whose sum is σ = 220719974400. Its totient is φ = 219720752328.

The previous prime is 220220311111. The next prime is 220220311153. The reversal of 220220311123 is 321113022022.

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

It is a cyclic number.

It is not a de Polignac number, because 220220311123 - 2²⁹ = 219683440211 is a prime.

It is a super-2 number, since 2×220220311123² (a number of 23 digits) contains 22 as substring.

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 220220311123.

It is not an unprimeable number, because it can be changed into a prime (220220311153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5507838 + ... + 5547676.

It is an arithmetic number, because the mean of its divisors is an integer number (27589996800).

Almost surely, 2^220220311123 is an apocalyptic number.

220220311123 is a deficient number, since it is larger than the sum of its proper divisors (499663277).

220220311123 is a wasteful number, since it uses less digits than its factorization.

220220311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52241.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220220311123 its reverse (321113022022), we get a palindrome (541333333145).

The spelling of 220220311123 in words is "two hundred twenty billion, two hundred twenty million, three hundred eleven thousand, one hundred twenty-three".