200201201100 has 144 divisors (see below), whose sum is σ = 644283763200. Its totient is φ = 53331082560.

The previous prime is 200201201077. The next prime is 200201201147. The reversal of 200201201100 is 1102102002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2572561 + ... + 2649239.

It is an arithmetic number, because the mean of its divisors is an integer number (4474192800).

Almost surely, 2^200201201100 is an apocalyptic number.

200201201100 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 200201201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322141881600).

200201201100 is an abundant number, since it is smaller than the sum of its proper divisors (444082562100).

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

200201201100 is a wasteful number, since it uses less digits than its factorization.

200201201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77669 (or 77656 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200201201100 its reverse (1102102002), we get a palindrome (201303303102).

The spelling of 200201201100 in words is "two hundred billion, two hundred one million, two hundred one thousand, one hundred".