100506101111111 has 2 divisors, whose sum is σ = 100506101111112. Its totient is φ = 100506101111110.

The previous prime is 100506101111027. The next prime is 100506101111113. The reversal of 100506101111111 is 111111101605001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100506101111111 - 2⁴⁶ = 30137356933447 is a prime.

Together with 100506101111113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100506101111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253050555555 + 50253050555556.

It is an arithmetic number, because the mean of its divisors is an integer number (50253050555556).

Almost surely, 2^{100506101111111} is an apocalyptic number.

100506101111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100506101111111 is an equidigital number, since it uses as much as digits as its factorization.

100506101111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 20.

Adding to 100506101111111 its reverse (111111101605001), we get a palindrome (211617202716112).

The spelling of 100506101111111 in words is "one hundred trillion, five hundred six billion, one hundred one million, one hundred eleven thousand, one hundred eleven".