100928191111 has 16 divisors (see below), whose sum is σ = 110756989440. Its totient is φ = 91209566880.

The previous prime is 100928191099. The next prime is 100928191127. The reversal of 100928191111 is 111191829001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100928191111 - 2¹⁵ = 100928158343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100928191141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598830 + ... + 1660756.

It is an arithmetic number, because the mean of its divisors is an integer number (6922311840).

Almost surely, 2^100928191111 is an apocalyptic number.

100928191111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100928191111 is a deficient number, since it is larger than the sum of its proper divisors (9828798329).

100928191111 is a wasteful number, since it uses less digits than its factorization.

100928191111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62814.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 100928191111 in words is "one hundred billion, nine hundred twenty-eight million, one hundred ninety-one thousand, one hundred eleven".