11201123201 has 2 divisors, whose sum is σ = 11201123202. Its totient is φ = 11201123200.

The previous prime is 11201123189. The next prime is 11201123203. The reversal of 11201123201 is 10232110211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11172490000 + 28633201 = 105700^2 + 5351^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201123201 - 2²⁶ = 11134014337 is a prime.

Together with 11201123203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11201123203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600561600 + 5600561601.

It is an arithmetic number, because the mean of its divisors is an integer number (5600561601).

Almost surely, 2^11201123201 is an apocalyptic number.

It is an amenable number.

11201123201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201123201 is an equidigital number, since it uses as much as digits as its factorization.

11201123201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11201123201 its reverse (10232110211), we get a palindrome (21433233412).

The spelling of 11201123201 in words is "eleven billion, two hundred one million, one hundred twenty-three thousand, two hundred one".