201044420099 has 4 divisors (see below), whose sum is σ = 201115388136. Its totient is φ = 200973452064.

The previous prime is 201044420053. The next prime is 201044420153. The reversal of 201044420099 is 990024440102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201044420099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044428099) 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, 35479769 + ... + 35485434.

It is an arithmetic number, because the mean of its divisors is an integer number (50278847034).

Almost surely, 2^201044420099 is an apocalyptic number.

201044420099 is a deficient number, since it is larger than the sum of its proper divisors (70968037).

201044420099 is an equidigital number, since it uses as much as digits as its factorization.

201044420099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70968036.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 201044420099 in words is "two hundred one billion, forty-four million, four hundred twenty thousand, ninety-nine".