100105506111111 has 4 divisors (see below), whose sum is σ = 133474008148152. Its totient is φ = 66737004074072.

The previous prime is 100105506111101. The next prime is 100105506111113. The reversal of 100105506111111 is 111111605501001.

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 100105506111111 - 2⁶ = 100105506111047 is a prime.

It is a super-2 number, since 2×100105506111111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100105506111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16684251018516 + ... + 16684251018521.

It is an arithmetic number, because the mean of its divisors is an integer number (33368502037038).

Almost surely, 2^{100105506111111} is an apocalyptic number.

100105506111111 is a deficient number, since it is larger than the sum of its proper divisors (33368502037041).

100105506111111 is an equidigital number, since it uses as much as digits as its factorization.

100105506111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368502037040.

The product of its (nonzero) digits is 150, while the sum is 24.

The spelling of 100105506111111 in words is "one hundred trillion, one hundred five billion, five hundred six million, one hundred eleven thousand, one hundred eleven".