201100100104 has 16 divisors (see below), whose sum is σ = 378709253100. Its totient is φ = 100110965952.

The previous prime is 201100100063. The next prime is 201100100197. The reversal of 201100100104 is 401001001102.

It can be written as a sum of positive squares in 2 ways, for example, as 148608708004 + 52491392100 = 385498^2 + 229110^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54883567 + ... + 54887230.

Almost surely, 2^201100100104 is an apocalyptic number.

It is an amenable number.

201100100104 is a deficient number, since it is larger than the sum of its proper divisors (177609152996).

201100100104 is a wasteful number, since it uses less digits than its factorization.

201100100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109771032 (or 109771028 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 201100100104 its reverse (401001001102), we get a palindrome (602101101206).

The spelling of 201100100104 in words is "two hundred one billion, one hundred million, one hundred thousand, one hundred four".