101000099999 has 4 divisors (see below), whose sum is σ = 101166492864. Its totient is φ = 100833707136.

The previous prime is 101000099983. The next prime is 101000100007. The reversal of 101000099999 is 999990000101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999990000101 = 67741 ⋅14761961.

It is a cyclic number.

It is not a de Polignac number, because 101000099999 - 2⁴ = 101000099983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000099929) 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, 83195522 + ... + 83196735.

It is an arithmetic number, because the mean of its divisors is an integer number (25291623216).

Almost surely, 2^101000099999 is an apocalyptic number.

101000099999 is a deficient number, since it is larger than the sum of its proper divisors (166392865).

101000099999 is an equidigital number, since it uses as much as digits as its factorization.

101000099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166392864.

The product of its (nonzero) digits is 59049, while the sum is 47.

The spelling of 101000099999 in words is "one hundred one billion, ninety-nine thousand, nine hundred ninety-nine".