101201099 has 4 divisors (see below), whose sum is σ = 102338280. Its totient is φ = 100063920.

The previous prime is 101201077. The next prime is 101201123. The reversal of 101201099 is 990102101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990102101 = 479 ⋅2067019.

It is a cyclic number.

It is not a de Polignac number, because 101201099 - 2⁸ = 101200843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101201069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568457 + ... + 568634.

It is an arithmetic number, because the mean of its divisors is an integer number (25584570).

Almost surely, 2^101201099 is an apocalyptic number.

101201099 is a deficient number, since it is larger than the sum of its proper divisors (1137181).

101201099 is an equidigital number, since it uses as much as digits as its factorization.

101201099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137180.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 101201099 is about 10059.8756950571. The cubic root of 101201099 is about 466.0098283645.

The spelling of 101201099 in words is "one hundred one million, two hundred one thousand, ninety-nine".