201044442100 has 36 divisors (see below), whose sum is σ = 455234550624. Its totient is φ = 76921350880.

The previous prime is 201044442097. The next prime is 201044442167. The reversal of 201044442100 is 1244440102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43703014 + ... + 43707613.

It is an arithmetic number, because the mean of its divisors is an integer number (12645404184).

Almost surely, 2^201044442100 is an apocalyptic number.

201044442100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201044442100 is an abundant number, since it is smaller than the sum of its proper divisors (254190108524).

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

201044442100 is a wasteful number, since it uses less digits than its factorization.

201044442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87410664 (or 87410657 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201044442100 its reverse (1244440102), we get a palindrome (202288882202).

The spelling of 201044442100 in words is "two hundred one billion, forty-four million, four hundred forty-two thousand, one hundred".