23221121103 has 24 divisors (see below), whose sum is σ = 35013888000. Its totient is φ = 14801775120.

The previous prime is 23221121081. The next prime is 23221121123. The reversal of 23221121103 is 30112112232.

It is not a de Polignac number, because 23221121103 - 2¹³ = 23221112911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221121123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531898 + ... + 573896.

It is an arithmetic number, because the mean of its divisors is an integer number (1458912000).

Almost surely, 2^23221121103 is an apocalyptic number.

23221121103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23221121103 is a deficient number, since it is larger than the sum of its proper divisors (11792766897).

23221121103 is a wasteful number, since it uses less digits than its factorization.

23221121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44699 (or 44696 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23221121103 its reverse (30112112232), we get a palindrome (53333233335).

The spelling of 23221121103 in words is "twenty-three billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred three".