11201120503231 has 2 divisors, whose sum is σ = 11201120503232. Its totient is φ = 11201120503230.

The previous prime is 11201120503123. The next prime is 11201120503249. The reversal of 11201120503231 is 13230502110211.

Together with previous prime (11201120503123) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11201120503231 - 2⁴³ = 2405027481023 is a prime.

It is a super-2 number, since 2×11201120503231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201120503271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600560251615 + 5600560251616.

It is an arithmetic number, because the mean of its divisors is an integer number (5600560251616).

Almost surely, 2^{11201120503231} is an apocalyptic number.

11201120503231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201120503231 is an equidigital number, since it uses as much as digits as its factorization.

11201120503231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 11201120503231 its reverse (13230502110211), we get a palindrome (24431622613442).

The spelling of 11201120503231 in words is "eleven trillion, two hundred one billion, one hundred twenty million, five hundred three thousand, two hundred thirty-one".