110021993 has 8 divisors (see below), whose sum is σ = 112802976. Its totient is φ = 107251200.

The previous prime is 110021987. The next prime is 110022013. The reversal of 110021993 is 399120011.

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 110021993 - 2⁶ = 110021929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (110020993) 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, 22313 + ... + 26793.

It is an arithmetic number, because the mean of its divisors is an integer number (14100372).

Almost surely, 2^110021993 is an apocalyptic number.

It is an amenable number.

110021993 is a deficient number, since it is larger than the sum of its proper divisors (2780983).

110021993 is an equidigital number, since it uses as much as digits as its factorization.

110021993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 110021993 is about 10489.1369044359. The cubic root of 110021993 is about 479.1739162138.

The spelling of 110021993 in words is "one hundred ten million, twenty-one thousand, nine hundred ninety-three".