201021332323300 has 144 divisors (see below), whose sum is σ = 464900996431872. Its totient is φ = 75270559478400.

The previous prime is 201021332323289. The next prime is 201021332323327. The reversal of 201021332323300 is 3323233120102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1663706689 + ... + 1663827511.

It is an arithmetic number, because the mean of its divisors is an integer number (3228479141888).

Almost surely, 2^{201021332323300} is an apocalyptic number.

201021332323300 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 201021332323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232450498215936).

201021332323300 is an abundant number, since it is smaller than the sum of its proper divisors (263879664108572).

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

201021332323300 is a wasteful number, since it uses less digits than its factorization.

201021332323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136298 (or 136291 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 201021332323300 its reverse (3323233120102), we get a palindrome (204344565443402).

The spelling of 201021332323300 in words is "two hundred one trillion, twenty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, three hundred".