100000001011111 has 8 divisors (see below), whose sum is σ = 101270103756800. Its totient is φ = 98730005264280.

The previous prime is 100000001011061. The next prime is 100000001011121. The reversal of 100000001011111 is 111110100000001.

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 100000001011111 - 2⁷ = 100000001010983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100000001011094 and 100000001011103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000001011121) 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, 24867831 + ... + 28607848.

It is an arithmetic number, because the mean of its divisors is an integer number (12658762969600).

Almost surely, 2^{100000001011111} is an apocalyptic number.

100000001011111 is a deficient number, since it is larger than the sum of its proper divisors (1270102745689).

100000001011111 is an equidigital number, since it uses as much as digits as its factorization.

100000001011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53499429.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100000001011111 its reverse (111110100000001), we get a palindrome (211110101011112).

The spelling of 100000001011111 in words is "one hundred trillion, one million, eleven thousand, one hundred eleven".