10110121200 has 180 divisors, whose sum is σ = 35134313760. Its totient is φ = 2692239360.

The previous prime is 10110121157. The next prime is 10110121207. The reversal of 10110121200 is 212101101.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110121207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3342889 + ... + 3345911.

It is an arithmetic number, because the mean of its divisors is an integer number (195190632).

Almost surely, 2^10110121200 is an apocalyptic number.

10110121200 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 10110121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17567156880).

10110121200 is an abundant number, since it is smaller than the sum of its proper divisors (25024192560).

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

10110121200 is a wasteful number, since it uses less digits than its factorization.

10110121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976 (or 3962 counting only the distinct ones).

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

Adding to 10110121200 its reverse (212101101), we get a palindrome (10322222301).

The spelling of 10110121200 in words is "ten billion, one hundred ten million, one hundred twenty-one thousand, two hundred".