109209208201 has 4 divisors (see below), whose sum is σ = 109223415504. Its totient is φ = 109195000900.

The previous prime is 109209208153. The next prime is 109209208249. The reversal of 109209208201 is 102802902901.

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 an interprime number because it is at equal distance from previous prime (109209208153) and next prime (109209208249).

It is a cyclic number.

It is not a de Polignac number, because 109209208201 - 2¹⁵ = 109209175433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109209208001) 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, 7092115 + ... + 7107496.

It is an arithmetic number, because the mean of its divisors is an integer number (27305853876).

Almost surely, 2^109209208201 is an apocalyptic number.

It is an amenable number.

109209208201 is a deficient number, since it is larger than the sum of its proper divisors (14207303).

109209208201 is an equidigital number, since it uses as much as digits as its factorization.

109209208201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207302.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 109209208201 in words is "one hundred nine billion, two hundred nine million, two hundred eight thousand, two hundred one".