10010020111200 has 432 divisors, whose sum is σ = 36694951216560. Its totient is φ = 2662791045120.

The previous prime is 10010020111177. The next prime is 10010020111249. The reversal of 10010020111200 is 211102001001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 79446652 + ... + 79572548.

It is an arithmetic number, because the mean of its divisors is an integer number (84942016705).

Almost surely, 2^{10010020111200} is an apocalyptic number.

10010020111200 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 10010020111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18347475608280).

10010020111200 is an abundant number, since it is smaller than the sum of its proper divisors (26684931105360).

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

10010020111200 is a wasteful number, since it uses less digits than its factorization.

10010020111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126341 (or 126316 counting only the distinct ones).

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

Adding to 10010020111200 its reverse (211102001001), we get a palindrome (10221122112201).

The spelling of 10010020111200 in words is "ten trillion, ten billion, twenty million, one hundred eleven thousand, two hundred".