101109201 has 4 divisors (see below), whose sum is σ = 134812272. Its totient is φ = 67406132.

The previous prime is 101109199. The next prime is 101109209. The reversal of 101109201 is 102901101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102901101 = 3 ⋅34300367.

It is a cyclic number.

It is not a de Polignac number, because 101109201 - 2¹ = 101109199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101109209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16851531 + ... + 16851536.

It is an arithmetic number, because the mean of its divisors is an integer number (33703068).

Almost surely, 2^101109201 is an apocalyptic number.

It is an amenable number.

101109201 is a deficient number, since it is larger than the sum of its proper divisors (33703071).

101109201 is an equidigital number, since it uses as much as digits as its factorization.

101109201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703070.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 101109201 is about 10055.3071062002. The cubic root of 101109201 is about 465.8687286431.

The spelling of 101109201 in words is "one hundred one million, one hundred nine thousand, two hundred one".