201120021100000 has 288 divisors, whose sum is σ = 496711238446080. Its totient is φ = 80155970880000.

The previous prime is 201120021099997. The next prime is 201120021100001. The reversal of 201120021100000 is 1120021102.

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 201120021100000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120021100001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79087698729 + ... + 79087701271.

It is an arithmetic number, because the mean of its divisors is an integer number (1724691800160).

Almost surely, 2^{201120021100000} is an apocalyptic number.

201120021100000 is a gapful number since it is divisible by the number (20) 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 201120021100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248355619223040).

201120021100000 is an abundant number, since it is smaller than the sum of its proper divisors (295591217346080).

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

201120021100000 is an equidigital number, since it uses as much as digits as its factorization.

201120021100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140 (or 5112 counting only the distinct ones).

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

Adding to 201120021100000 its reverse (1120021102), we get a palindrome (201121141121102).

The spelling of 201120021100000 in words is "two hundred one trillion, one hundred twenty billion, twenty-one million, one hundred thousand".