23120201121 has 4 divisors (see below), whose sum is σ = 30826934832. Its totient is φ = 15413467412.

The previous prime is 23120201099. The next prime is 23120201141. The reversal of 23120201121 is 12110202132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23120201121 - 2⁷ = 23120200993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23120201121.

It is not an unprimeable number, because it can be changed into a prime (23120201141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3853366851 + ... + 3853366856.

It is an arithmetic number, because the mean of its divisors is an integer number (7706733708).

Almost surely, 2^23120201121 is an apocalyptic number.

It is an amenable number.

23120201121 is a deficient number, since it is larger than the sum of its proper divisors (7706733711).

23120201121 is an equidigital number, since it uses as much as digits as its factorization.

23120201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706733710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23120201121 its reverse (12110202132), we get a palindrome (35230403253).

The spelling of 23120201121 in words is "twenty-three billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".