201120100110 has 96 divisors (see below), whose sum is σ = 533411049600. Its totient is φ = 52557633024.

The previous prime is 201120100039. The next prime is 201120100121. The reversal of 201120100110 is 11001021102.

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 = 201120100092 and 201120100101.

It is a congruent number.

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, 4063291 + ... + 4112489.

It is an arithmetic number, because the mean of its divisors is an integer number (5556365100).

Almost surely, 2^201120100110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201120100110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266705524800).

201120100110 is an abundant number, since it is smaller than the sum of its proper divisors (332290949490).

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

201120100110 is a wasteful number, since it uses less digits than its factorization.

201120100110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50122 (or 50119 counting only the distinct ones).

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

Adding to 201120100110 its reverse (11001021102), we get a palindrome (212121121212).

The spelling of 201120100110 in words is "two hundred one billion, one hundred twenty million, one hundred thousand, one hundred ten".