100201121200000 has 768 divisors, whose sum is σ = 267671667916800. Its totient is φ = 37229056000000.

The previous prime is 100201121199997. The next prime is 100201121200021. The reversal of 100201121200000 is 2121102001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 100201121200000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 232485199785 + ... + 232485200215.

It is an arithmetic number, because the mean of its divisors is an integer number (348530817600).

Almost surely, 2^{100201121200000} is an apocalyptic number.

100201121200000 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 100201121200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133835833958400).

100201121200000 is an abundant number, since it is smaller than the sum of its proper divisors (167470546716800).

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

100201121200000 is an equidigital number, since it uses as much as digits as its factorization.

100201121200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100201121200000 its reverse (2121102001), we get a palindrome (100203242302001).

The spelling of 100201121200000 in words is "one hundred trillion, two hundred one billion, one hundred twenty-one million, two hundred thousand".