101109993 has 4 divisors (see below), whose sum is σ = 134813328. Its totient is φ = 67406660.

The previous prime is 101109959. The next prime is 101109997. The reversal of 101109993 is 399901101.

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 101109993 - 2⁶ = 101109929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101109997) 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, 16851663 + ... + 16851668.

It is an arithmetic number, because the mean of its divisors is an integer number (33703332).

Almost surely, 2^101109993 is an apocalyptic number.

It is an amenable number.

101109993 is a deficient number, since it is larger than the sum of its proper divisors (33703335).

101109993 is an equidigital number, since it uses as much as digits as its factorization.

101109993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703334.

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 101109993 is about 10055.3464883116. The cubic root of 101109993 is about 465.8699450411.

The spelling of 101109993 in words is "one hundred one million, one hundred nine thousand, nine hundred ninety-three".