2123303101111 has 4 divisors (see below), whose sum is σ = 2129088668512. Its totient is φ = 2117517533712.

The previous prime is 2123303101097. The next prime is 2123303101121. The reversal of 2123303101111 is 1111013033212.

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 2123303101111 - 2¹³ = 2123303092919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123303101121) 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, 2892783150 + ... + 2892783883.

It is an arithmetic number, because the mean of its divisors is an integer number (532272167128).

Almost surely, 2^{2123303101111} is an apocalyptic number.

2123303101111 is a deficient number, since it is larger than the sum of its proper divisors (5785567401).

2123303101111 is an equidigital number, since it uses as much as digits as its factorization.

2123303101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785567400.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2123303101111 its reverse (1111013033212), we get a palindrome (3234316134323).

The spelling of 2123303101111 in words is "two trillion, one hundred twenty-three billion, three hundred three million, one hundred one thousand, one hundred eleven".