201101020103 has 4 divisors (see below), whose sum is σ = 201123754800. Its totient is φ = 201078285408.

The previous prime is 201101020079. The next prime is 201101020151. The reversal of 201101020103 is 301020101102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201101020103 - 2¹⁰ = 201101019079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101020303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11354075 + ... + 11371772.

It is an arithmetic number, because the mean of its divisors is an integer number (50280938700).

Almost surely, 2^201101020103 is an apocalyptic number.

201101020103 is a deficient number, since it is larger than the sum of its proper divisors (22734697).

201101020103 is an equidigital number, since it uses as much as digits as its factorization.

201101020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22734696.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201101020103 its reverse (301020101102), we get a palindrome (502121121205).

The spelling of 201101020103 in words is "two hundred one billion, one hundred one million, twenty thousand, one hundred three".