200201909091 has 8 divisors (see below), whose sum is σ = 266939057424. Its totient is φ = 133466350080.

The previous prime is 200201909071. The next prime is 200201909111. The reversal of 200201909091 is 190909102002.

It is an interprime number because it is at equal distance from previous prime (200201909071) and next prime (200201909111).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200201909091 - 2⁶ = 200201909027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200201909041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63286 + ... + 635931.

It is an arithmetic number, because the mean of its divisors is an integer number (33367382178).

Almost surely, 2^200201909091 is an apocalyptic number.

200201909091 is a deficient number, since it is larger than the sum of its proper divisors (66737148333).

200201909091 is an equidigital number, since it uses as much as digits as its factorization.

200201909091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794661.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 200201909091 in words is "two hundred billion, two hundred one million, nine hundred nine thousand, ninety-one".