201044428099 has 2 divisors, whose sum is σ = 201044428100. Its totient is φ = 201044428098.

The previous prime is 201044427979. The next prime is 201044428177. The reversal of 201044428099 is 990824440102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201044428099 - 2¹³ = 201044419907 is a prime.

It is not a weakly prime, because it can be changed into another prime (201044428999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522214049 + 100522214050.

It is an arithmetic number, because the mean of its divisors is an integer number (100522214050).

Almost surely, 2^201044428099 is an apocalyptic number.

201044428099 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044428099 is an equidigital number, since it uses as much as digits as its factorization.

201044428099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 201044428099 in words is "two hundred one billion, forty-four million, four hundred twenty-eight thousand, ninety-nine".