201200101100 has 36 divisors (see below), whose sum is σ = 436637069064. Its totient is φ = 80473985280.

The previous prime is 201200101021. The next prime is 201200101153. The reversal of 201200101100 is 1101002102.

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 11 ways as a sum of consecutive naturals, for example, 1403972 + ... + 1540628.

It is an arithmetic number, because the mean of its divisors is an integer number (12128807474).

Almost surely, 2^201200101100 is an apocalyptic number.

201200101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201200101100 is an abundant number, since it is smaller than the sum of its proper divisors (235436967964).

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

201200101100 is a wasteful number, since it uses less digits than its factorization.

201200101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151394 (or 151387 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 201200101100 its reverse (1101002102), we get a palindrome (202301103202).

The spelling of 201200101100 in words is "two hundred one billion, two hundred million, one hundred one thousand, one hundred".