100001011111111 has 8 divisors (see below), whose sum is σ = 109093582827648. Its totient is φ = 90908701179000.

The previous prime is 100001011111039. The next prime is 100001011111121. The reversal of 100001011111111 is 111111110100001.

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 100001011111111 - 2⁷ = 100001011110983 is a prime.

It is a Duffinian number.

100001011111111 is a modest number, since divided by 11111111 gives 1000010 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001011111121) 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, 64646955 + ... + 66175756.

It is an arithmetic number, because the mean of its divisors is an integer number (13636697853456).

Almost surely, 2^{100001011111111} is an apocalyptic number.

100001011111111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100001011111111 is a deficient number, since it is larger than the sum of its proper divisors (9092571716537).

100001011111111 is a wasteful number, since it uses less digits than its factorization.

100001011111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130892213.

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

Adding to 100001011111111 its reverse (111111110100001), we get a palindrome (211112121211112).

It can be divided in two parts, 1000010 and 11111111, that added together give a palindrome (12111121).

The spelling of 100001011111111 in words is "one hundred trillion, one billion, eleven million, one hundred eleven thousand, one hundred eleven".