11203120201 has 16 divisors (see below), whose sum is σ = 13791293824. Its totient is φ = 8862182784.

The previous prime is 11203120189. The next prime is 11203120223. The reversal of 11203120201 is 10202130211.

It is not a de Polignac number, because 11203120201 - 2¹¹ = 11203118153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11203120001) 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, 586930 + ... + 605716.

It is an arithmetic number, because the mean of its divisors is an integer number (861955864).

Almost surely, 2^11203120201 is an apocalyptic number.

It is an amenable number.

11203120201 is a deficient number, since it is larger than the sum of its proper divisors (2588173623).

11203120201 is a wasteful number, since it uses less digits than its factorization.

11203120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11203120201 its reverse (10202130211), we get a palindrome (21405250412).

The spelling of 11203120201 in words is "eleven billion, two hundred three million, one hundred twenty thousand, two hundred one".