100111209999 has 8 divisors (see below), whose sum is σ = 134803213872. Its totient is φ = 66080006400.

The previous prime is 100111209953. The next prime is 100111210009. The reversal of 100111209999 is 999902111001.

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

It is not a de Polignac number, because 100111209999 - 2⁹ = 100111209487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100111209999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111209799) 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, 165199714 + ... + 165200319.

It is an arithmetic number, because the mean of its divisors is an integer number (16850401734).

Almost surely, 2^100111209999 is an apocalyptic number.

100111209999 is a deficient number, since it is larger than the sum of its proper divisors (34692003873).

100111209999 is a wasteful number, since it uses less digits than its factorization.

100111209999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330400137.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 100111209999 in words is "one hundred billion, one hundred eleven million, two hundred nine thousand, nine hundred ninety-nine".