100919091120 has 80 divisors (see below), whose sum is σ = 313229928192. Its totient is φ = 26879005440.

The previous prime is 100919091061. The next prime is 100919091121. The reversal of 100919091120 is 21190919001.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (100919091121) 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, 57946 + ... + 452985.

Almost surely, 2^100919091120 is an apocalyptic number.

100919091120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100919091120 is an abundant number, since it is smaller than the sum of its proper divisors (212310837072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100919091120 is a wasteful number, since it uses less digits than its factorization.

100919091120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511770 (or 511764 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 33.

The spelling of 100919091120 in words is "one hundred billion, nine hundred nineteen million, ninety-one thousand, one hundred twenty".