100101011099 has 4 divisors (see below), whose sum is σ = 100101653064. Its totient is φ = 100100369136.

The previous prime is 100101011093. The next prime is 100101011117. The reversal of 100101011099 is 990110101001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100101011099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101011093) 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, 79319 + ... + 454415.

It is an arithmetic number, because the mean of its divisors is an integer number (25025413266).

Almost surely, 2^100101011099 is an apocalyptic number.

100101011099 is a deficient number, since it is larger than the sum of its proper divisors (641965).

100101011099 is an equidigital number, since it uses as much as digits as its factorization.

100101011099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641964.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 100101011099 in words is "one hundred billion, one hundred one million, eleven thousand, ninety-nine".