109719914220 has 288 divisors, whose sum is σ = 394267281408. Its totient is φ = 24178023936.

The previous prime is 109719914203. The next prime is 109719914231. The reversal of 109719914220 is 22419917901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3953914 + ... + 3981566.

It is an arithmetic number, because the mean of its divisors is an integer number (1368983616).

Almost surely, 2^109719914220 is an apocalyptic number.

109719914220 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 109719914220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197133640704).

109719914220 is an abundant number, since it is smaller than the sum of its proper divisors (284547367188).

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

109719914220 is a wasteful number, since it uses less digits than its factorization.

109719914220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27789 (or 27784 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 109719914220 in words is "one hundred nine billion, seven hundred nineteen million, nine hundred fourteen thousand, two hundred twenty".