11201231233 has 2 divisors, whose sum is σ = 11201231234. Its totient is φ = 11201231232.

The previous prime is 11201231221. The next prime is 11201231369. The reversal of 11201231233 is 33213210211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8440464384 + 2760766849 = 91872^2 + 52543^2 .

It is an emirp because it is prime and its reverse (33213210211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201231233 is a prime.

It is a super-2 number, since 2×11201231233² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11201231233.

It is not a weakly prime, because it can be changed into another prime (11201231213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600615616 + 5600615617.

It is an arithmetic number, because the mean of its divisors is an integer number (5600615617).

Almost surely, 2^11201231233 is an apocalyptic number.

It is an amenable number.

11201231233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201231233 is an equidigital number, since it uses as much as digits as its factorization.

11201231233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11201231233 its reverse (33213210211), we get a palindrome (44414441444).

The spelling of 11201231233 in words is "eleven billion, two hundred one million, two hundred thirty-one thousand, two hundred thirty-three".