100209999999 has 8 divisors (see below), whose sum is σ = 133614820480. Its totient is φ = 66805923096.

The previous prime is 100209999979. The next prime is 100210000019. The reversal of 100209999999 is 999999902001.

It is an interprime number because it is at equal distance from previous prime (100209999979) and next prime (100210000019).

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

It is not a de Polignac number, because 100209999999 - 2¹⁹ = 100209475711 is a prime.

It is a Duffinian number.

100209999999 is a modest number, since divided by 999999 gives 100209 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100209999919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345894 + ... + 565740.

It is an arithmetic number, because the mean of its divisors is an integer number (16701852560).

Almost surely, 2^100209999999 is an apocalyptic number.

100209999999 is a deficient number, since it is larger than the sum of its proper divisors (33404820481).

100209999999 is a wasteful number, since it uses less digits than its factorization.

100209999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371789.

The product of its (nonzero) digits is 9565938, while the sum is 66.

The spelling of 100209999999 in words is "one hundred billion, two hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".