2220000203123 has 4 divisors (see below), whose sum is σ = 2244944025720. Its totient is φ = 2195056380528.

The previous prime is 2220000203101. The next prime is 2220000203171. The reversal of 2220000203123 is 3213020000222.

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 2220000203123 - 2⁶ = 2220000203059 is a prime.

It is a super-2 number, since 2×2220000203123² (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 (2220000203023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471911165 + ... + 12471911342.

It is an arithmetic number, because the mean of its divisors is an integer number (561236006430).

Almost surely, 2^{2220000203123} is an apocalyptic number.

2220000203123 is a deficient number, since it is larger than the sum of its proper divisors (24943822597).

2220000203123 is an equidigital number, since it uses as much as digits as its factorization.

2220000203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943822596.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2220000203123 its reverse (3213020000222), we get a palindrome (5433020203345).

The spelling of 2220000203123 in words is "two trillion, two hundred twenty billion, two hundred three thousand, one hundred twenty-three".