11201020103 has 12 divisors (see below), whose sum is σ = 14032047960. Its totient is φ = 8862345072.

The previous prime is 11201020097. The next prime is 11201020147. The reversal of 11201020103 is 30102010211.

It is not a de Polignac number, because 11201020103 - 2⁸ = 11201019847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8791373 + ... + 8792646.

It is an arithmetic number, because the mean of its divisors is an integer number (1169337330).

Almost surely, 2^11201020103 is an apocalyptic number.

11201020103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11201020103 is a deficient number, since it is larger than the sum of its proper divisors (2831027857).

11201020103 is a wasteful number, since it uses less digits than its factorization.

11201020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584046 (or 17584039 counting only the distinct ones).

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

Adding to 11201020103 its reverse (30102010211), we get a palindrome (41303030314).

The spelling of 11201020103 in words is "eleven billion, two hundred one million, twenty thousand, one hundred three".