109491930100 has 288 divisors, whose sum is σ = 287877574656. Its totient is φ = 35339673600.

The previous prime is 109491930091. The next prime is 109491930101. The reversal of 109491930100 is 1039194901.

It is a self number, because there is not a number n which added to its sum of digits gives 109491930100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109491930101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 518918995 + ... + 518919205.

It is an arithmetic number, because the mean of its divisors is an integer number (999574912).

Almost surely, 2^109491930100 is an apocalyptic number.

109491930100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109491930100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143938787328).

109491930100 is an abundant number, since it is smaller than the sum of its proper divisors (178385644556).

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

109491930100 is a wasteful number, since it uses less digits than its factorization.

109491930100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 109491930100 in words is "one hundred nine billion, four hundred ninety-one million, nine hundred thirty thousand, one hundred".