200101109 has 4 divisors (see below), whose sum is σ = 215493516. Its totient is φ = 184708704.

The previous prime is 200101079. The next prime is 200101133. The reversal of 200101109 is 901101002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69639025 + 130462084 = 8345^2 + 11422^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101109 - 2⁸ = 200100853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200101093 and 200101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101159) 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, 7696184 + ... + 7696209.

It is an arithmetic number, because the mean of its divisors is an integer number (53873379).

Almost surely, 2^200101109 is an apocalyptic number.

It is an amenable number.

200101109 is a deficient number, since it is larger than the sum of its proper divisors (15392407).

200101109 is a wasteful number, since it uses less digits than its factorization.

200101109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392406.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 200101109 is about 14145.7099150237. The cubic root of 200101109 is about 584.9020792102.

The spelling of 200101109 in words is "two hundred million, one hundred one thousand, one hundred nine".