108230021 has 4 divisors (see below), whose sum is σ = 111721344. Its totient is φ = 104738700.

The previous prime is 108229997. The next prime is 108230029. The reversal of 108230021 is 120032801.

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 108230021 - 2¹⁸ = 107967877 is a prime.

It is a super-3 number, since 3×108230021³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108230029) 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, 1745615 + ... + 1745676.

It is an arithmetic number, because the mean of its divisors is an integer number (27930336).

Almost surely, 2^108230021 is an apocalyptic number.

It is an amenable number.

108230021 is a deficient number, since it is larger than the sum of its proper divisors (3491323).

108230021 is an equidigital number, since it uses as much as digits as its factorization.

108230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491322.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 108230021 is about 10403.3658495700. The cubic root of 108230021 is about 476.5581643486.

Adding to 108230021 its reverse (120032801), we get a palindrome (228262822).

The spelling of 108230021 in words is "one hundred eight million, two hundred thirty thousand, twenty-one".