201200023202100 has 288 divisors, whose sum is σ = 657750724592640. Its totient is φ = 47142825984000.

The previous prime is 201200023202051. The next prime is 201200023202117. The reversal of 201200023202100 is 1202320002102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201200023202100.

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, 6265965 + ... + 21015764.

Almost surely, 2^{201200023202100} is an apocalyptic number.

201200023202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200023202100 is an abundant number, since it is smaller than the sum of its proper divisors (456550701390540).

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

201200023202100 is a wasteful number, since it uses less digits than its factorization.

201200023202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27281851 (or 27281844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201200023202100 its reverse (1202320002102), we get a palindrome (202402343204202).

The spelling of 201200023202100 in words is "two hundred one trillion, two hundred billion, twenty-three million, two hundred two thousand, one hundred".