230721101 has 8 divisors (see below), whose sum is σ = 254247840. Its totient is φ = 208019952.

The previous prime is 230721089. The next prime is 230721107. The reversal of 230721101 is 101127032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230721101 - 2²⁶ = 163612237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230721101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230721107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205811 + ... + 206928.

It is an arithmetic number, because the mean of its divisors is an integer number (31780980).

Almost surely, 2^230721101 is an apocalyptic number.

It is an amenable number.

230721101 is a deficient number, since it is larger than the sum of its proper divisors (23526739).

230721101 is a wasteful number, since it uses less digits than its factorization.

230721101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412795.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 230721101 is about 15189.5062790072. The cubic root of 230721101 is about 613.3322085347.

Adding to 230721101 its reverse (101127032), we get a palindrome (331848133).

The spelling of 230721101 in words is "two hundred thirty million, seven hundred twenty-one thousand, one hundred one".