201101101203 has 16 divisors (see below), whose sum is σ = 270546544800. Its totient is φ = 132866482944.

The previous prime is 201101101193. The next prime is 201101101211. The reversal of 201101101203 is 302101101102.

201101101203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201101101203 - 2⁸ = 201101100947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201101101303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456528 + ... + 781421.

It is an arithmetic number, because the mean of its divisors is an integer number (16909159050).

Almost surely, 2^201101101203 is an apocalyptic number.

201101101203 is a deficient number, since it is larger than the sum of its proper divisors (69445443597).

201101101203 is a wasteful number, since it uses less digits than its factorization.

201101101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238438.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 201101101203 its reverse (302101101102), we get a palindrome (503202202305).

The spelling of 201101101203 in words is "two hundred one billion, one hundred one million, one hundred one thousand, two hundred three".