201101011099 has 4 divisors (see below), whose sum is σ = 205379756064. Its totient is φ = 196822266136.

The previous prime is 201101011093. The next prime is 201101011123. The reversal of 201101011099 is 990110101102.

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-201101011099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101011093) 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, 2139372412 + ... + 2139372505.

It is an arithmetic number, because the mean of its divisors is an integer number (51344939016).

Almost surely, 2^201101011099 is an apocalyptic number.

201101011099 is a deficient number, since it is larger than the sum of its proper divisors (4278744965).

201101011099 is an equidigital number, since it uses as much as digits as its factorization.

201101011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278744964.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 201101011099 in words is "two hundred one billion, one hundred one million, eleven thousand, ninety-nine".