100505010111 has 8 divisors (see below), whose sum is σ = 146189105664. Its totient is φ = 60912127320.

The previous prime is 100505010107. The next prime is 100505010113. The reversal of 100505010111 is 111010505001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100505010111 - 2² = 100505010107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505010113) 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, 1522803151 + ... + 1522803216.

It is an arithmetic number, because the mean of its divisors is an integer number (18273638208).

Almost surely, 2^100505010111 is an apocalyptic number.

100505010111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100505010111 is a deficient number, since it is larger than the sum of its proper divisors (45684095553).

100505010111 is a wasteful number, since it uses less digits than its factorization.

100505010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045606381.

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 100505010111 its reverse (111010505001), we get a palindrome (211515515112).

The spelling of 100505010111 in words is "one hundred billion, five hundred five million, ten thousand, one hundred eleven".