2099101 has 4 divisors (see below), whose sum is σ = 2209600. Its totient is φ = 1988604.

The previous prime is 2099093. The next prime is 2099129. The reversal of 2099101 is 1019902.

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 2099101 - 2³ = 2099093 is a prime.

It is a super-3 number, since 3×2099101³ = 27747333962819181903, which 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 (2099191) 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, 55221 + ... + 55258.

It is an arithmetic number, because the mean of its divisors is an integer number (552400).

2^2099101 is an apocalyptic number.

It is an amenable number.

2099101 is a deficient number, since it is larger than the sum of its proper divisors (110499).

2099101 is a wasteful number, since it uses less digits than its factorization.

2099101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110498.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 2099101 is about 1448.8274569458. The cubic root of 2099101 is about 128.0396402291.

The spelling of 2099101 in words is "two million, ninety-nine thousand, one hundred one".