11201222311 has 2 divisors, whose sum is σ = 11201222312. Its totient is φ = 11201222310.

The previous prime is 11201222261. The next prime is 11201222317. The reversal of 11201222311 is 11322210211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201222311 - 2⁷ = 11201222183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201222317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600611155 + 5600611156.

It is an arithmetic number, because the mean of its divisors is an integer number (5600611156).

Almost surely, 2^11201222311 is an apocalyptic number.

11201222311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201222311 is an equidigital number, since it uses as much as digits as its factorization.

11201222311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11201222311 its reverse (11322210211), we get a palindrome (22523432522).

The spelling of 11201222311 in words is "eleven billion, two hundred one million, two hundred twenty-two thousand, three hundred eleven".