11100100221109 has 16 divisors (see below), whose sum is σ = 11694215478400. Its totient is φ = 10506978291456.

The previous prime is 11100100221083. The next prime is 11100100221113. The reversal of 11100100221109 is 90112200100111.

It is a cyclic number.

It is not a de Polignac number, because 11100100221109 - 2¹³ = 11100100212917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100100221209) 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, 125489872 + ... + 125578294.

It is an arithmetic number, because the mean of its divisors is an integer number (730888467400).

Almost surely, 2^{11100100221109} is an apocalyptic number.

11100100221109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11100100221109 is a deficient number, since it is larger than the sum of its proper divisors (594115257291).

11100100221109 is a wasteful number, since it uses less digits than its factorization.

11100100221109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93964.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 11100100221109 in words is "eleven trillion, one hundred billion, one hundred million, two hundred twenty-one thousand, one hundred nine".