101010109999 has 16 divisors (see below), whose sum is σ = 106534923264. Its totient is φ = 95581332000.

The previous prime is 101010109909. The next prime is 101010110011. The reversal of 101010109999 is 999901010101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101010109999 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 (101010109909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841952 + ... + 2877274.

It is an arithmetic number, because the mean of its divisors is an integer number (6658432704).

Almost surely, 2^101010109999 is an apocalyptic number.

101010109999 is a deficient number, since it is larger than the sum of its proper divisors (5524813265).

101010109999 is a wasteful number, since it uses less digits than its factorization.

101010109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36678.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 101010109999 in words is "one hundred one billion, ten million, one hundred nine thousand, nine hundred ninety-nine".