110201021100 has 144 divisors (see below), whose sum is σ = 355487559840. Its totient is φ = 29286432000.

The previous prime is 110201021071. The next prime is 110201021111. The reversal of 110201021100 is 1120102011.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 721450 + ... + 860750.

It is an arithmetic number, because the mean of its divisors is an integer number (2468663610).

Almost surely, 2^110201021100 is an apocalyptic number.

110201021100 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 110201021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177743779920).

110201021100 is an abundant number, since it is smaller than the sum of its proper divisors (245286538740).

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

110201021100 is a wasteful number, since it uses less digits than its factorization.

110201021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139617 (or 139604 counting only the distinct ones).

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

Adding to 110201021100 its reverse (1120102011), we get a palindrome (111321123111).

The spelling of 110201021100 in words is "one hundred ten billion, two hundred one million, twenty-one thousand, one hundred".