11201020023 has 16 divisors (see below), whose sum is σ = 15322256640. Its totient is φ = 7275805824.

The previous prime is 11201020007. The next prime is 11201020043. The reversal of 11201020023 is 32002010211.

It is not a de Polignac number, because 11201020023 - 2⁴ = 11201020007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11201019990 and 11201020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020043) 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, 260011 + ... + 300012.

It is an arithmetic number, because the mean of its divisors is an integer number (957641040).

Almost surely, 2^11201020023 is an apocalyptic number.

11201020023 is a deficient number, since it is larger than the sum of its proper divisors (4121236617).

11201020023 is a wasteful number, since it uses less digits than its factorization.

11201020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560198.

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

Adding to 11201020023 its reverse (32002010211), we get a palindrome (43203030234).

The spelling of 11201020023 in words is "eleven billion, two hundred one million, twenty thousand, twenty-three".