110110201020 has 144 divisors (see below), whose sum is σ = 336486608640. Its totient is φ = 29144613888.

The previous prime is 110110201001. The next prime is 110110201037. The reversal of 110110201020 is 20102011011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110110200993 and 110110201011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40495221 + ... + 40497939.

It is an arithmetic number, because the mean of its divisors is an integer number (2336712560).

Almost surely, 2^110110201020 is an apocalyptic number.

110110201020 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 110110201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168243304320).

110110201020 is an abundant number, since it is smaller than the sum of its proper divisors (226376407620).

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

110110201020 is a wasteful number, since it uses less digits than its factorization.

110110201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110110201020 its reverse (20102011011), we get a palindrome (130212212031).

The spelling of 110110201020 in words is "one hundred ten billion, one hundred ten million, two hundred one thousand, twenty".