110101091820 has 96 divisors (see below), whose sum is σ = 311939631360. Its totient is φ = 29013177600.

The previous prime is 110101091819. The next prime is 110101091831. The reversal of 110101091820 is 28190101011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3152011 + ... + 3186749.

It is an arithmetic number, because the mean of its divisors is an integer number (3249371160).

Almost surely, 2^110101091820 is an apocalyptic number.

110101091820 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 110101091820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155969815680).

110101091820 is an abundant number, since it is smaller than the sum of its proper divisors (201838539540).

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

110101091820 is a wasteful number, since it uses less digits than its factorization.

110101091820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35375 (or 35373 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 24.

Adding to 110101091820 its reverse (28190101011), we get a palindrome (138291192831).

The spelling of 110101091820 in words is "one hundred ten billion, one hundred one million, ninety-one thousand, eight hundred twenty".