230120111101 has 4 divisors (see below), whose sum is σ = 230711679900. Its totient is φ = 229528542304.

The previous prime is 230120111099. The next prime is 230120111161. The reversal of 230120111101 is 101111021032.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29751075225 + 200369035876 = 172485^2 + 447626^2 .

It is a cyclic number.

It is not a de Polignac number, because 230120111101 - 2¹ = 230120111099 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 (230120111161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295783816 + ... + 295784593.

It is an arithmetic number, because the mean of its divisors is an integer number (57677919975).

Almost surely, 2^230120111101 is an apocalyptic number.

It is an amenable number.

230120111101 is a deficient number, since it is larger than the sum of its proper divisors (591568799).

230120111101 is an equidigital number, since it uses as much as digits as its factorization.

230120111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591568798.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 230120111101 its reverse (101111021032), we get a palindrome (331231132133).

The spelling of 230120111101 in words is "two hundred thirty billion, one hundred twenty million, one hundred eleven thousand, one hundred one".