100100005001111 has 4 divisors (see below), whose sum is σ = 100864127176824. Its totient is φ = 99335882825400.

The previous prime is 100100005001077. The next prime is 100100005001141. The reversal of 100100005001111 is 111100500001001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100100005001111 - 2¹⁰ = 100100005000087 is a prime.

It is a super-2 number, since 2×100100005001111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100100005001092 and 100100005001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100005001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382061087660 + ... + 382061087921.

It is an arithmetic number, because the mean of its divisors is an integer number (25216031794206).

Almost surely, 2^{100100005001111} is an apocalyptic number.

100100005001111 is a deficient number, since it is larger than the sum of its proper divisors (764122175713).

100100005001111 is an equidigital number, since it uses as much as digits as its factorization.

100100005001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764122175712.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 100100005001111 its reverse (111100500001001), we get a palindrome (211200505002112).

The spelling of 100100005001111 in words is "one hundred trillion, one hundred billion, five million, one thousand, one hundred eleven".