100001111011111 has 8 divisors (see below), whose sum is σ = 104249002347648. Its totient is φ = 95817097740000.

The previous prime is 100001111011027. The next prime is 100001111011129. The reversal of 100001111011111 is 111110111100001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100001111011111 - 2³³ = 99992521076519 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 (100001111011211) 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, 15969513160 + ... + 15969519421.

It is an arithmetic number, because the mean of its divisors is an integer number (13031125293456).

Almost surely, 2^{100001111011111} is an apocalyptic number.

100001111011111 is a deficient number, since it is larger than the sum of its proper divisors (4247891336537).

100001111011111 is a wasteful number, since it uses less digits than its factorization.

100001111011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31939032713.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 100001111011111 its reverse (111110111100001), we get a palindrome (211111222111112).

The spelling of 100001111011111 in words is "one hundred trillion, one billion, one hundred eleven million, eleven thousand, one hundred eleven".