201020102103 has 16 divisors (see below), whose sum is σ = 277027462656. Its totient is φ = 129581779200.

The previous prime is 201020102093. The next prime is 201020102123. The reversal of 201020102103 is 301201020102.

It is not a de Polignac number, because 201020102103 - 2⁸ = 201020101847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020102123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8576698 + ... + 8600103.

It is an arithmetic number, because the mean of its divisors is an integer number (17314216416).

Almost surely, 2^201020102103 is an apocalyptic number.

201020102103 is a deficient number, since it is larger than the sum of its proper divisors (76007360553).

201020102103 is a wasteful number, since it uses less digits than its factorization.

201020102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17176934.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 201020102103 its reverse (301201020102), we get a palindrome (502221122205).

The spelling of 201020102103 in words is "two hundred one billion, twenty million, one hundred two thousand, one hundred three".