110012021100 has 180 divisors, whose sum is σ = 364204335264. Its totient is φ = 28712257920.

The previous prime is 110012021089. The next prime is 110012021129. The reversal of 110012021100 is 1120210011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

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 59 ways as a sum of consecutive naturals, for example, 236214 + ... + 525186.

Almost surely, 2^110012021100 is an apocalyptic number.

110012021100 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 110012021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182102167632).

110012021100 is an abundant number, since it is smaller than the sum of its proper divisors (254192314164).

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

110012021100 is a wasteful number, since it uses less digits than its factorization.

110012021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289046 (or 289030 counting only the distinct ones).

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

Adding to 110012021100 its reverse (1120210011), we get a palindrome (111132231111).

The spelling of 110012021100 in words is "one hundred ten billion, twelve million, twenty-one thousand, one hundred".