23112221212103 has 4 divisors (see below), whose sum is σ = 23503953775080. Its totient is φ = 22720488649128.

The previous prime is 23112221212079. The next prime is 23112221212127. The reversal of 23112221212103 is 30121212221132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23112221212079) and next prime (23112221212127).

It is a cyclic number.

It is not a de Polignac number, because 23112221212103 - 2³² = 23107926244807 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 (23112221212133) 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, 195866281400 + ... + 195866281517.

It is an arithmetic number, because the mean of its divisors is an integer number (5875988443770).

Almost surely, 2^{23112221212103} is an apocalyptic number.

23112221212103 is a deficient number, since it is larger than the sum of its proper divisors (391732562977).

23112221212103 is an equidigital number, since it uses as much as digits as its factorization.

23112221212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391732562976.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 23112221212103 its reverse (30121212221132), we get a palindrome (53233433433235).

The spelling of 23112221212103 in words is "twenty-three trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twelve thousand, one hundred three".