2220123331123 has 4 divisors (see below), whose sum is σ = 2228968444248. Its totient is φ = 2211278218000.

The previous prime is 2220123331103. The next prime is 2220123331141. The reversal of 2220123331123 is 3211333210222.

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 2220123331123 - 2⁵ = 2220123331091 is a prime.

It is a super-2 number, since 2×2220123331123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220123331103) 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, 4422556186 + ... + 4422556687.

It is an arithmetic number, because the mean of its divisors is an integer number (557242111062).

Almost surely, 2^{2220123331123} is an apocalyptic number.

2220123331123 is a deficient number, since it is larger than the sum of its proper divisors (8845113125).

2220123331123 is an equidigital number, since it uses as much as digits as its factorization.

2220123331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845113124.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2220123331123 its reverse (3211333210222), we get a palindrome (5431456541345).

The spelling of 2220123331123 in words is "two trillion, two hundred twenty billion, one hundred twenty-three million, three hundred thirty-one thousand, one hundred twenty-three".