11050211231 has 2 divisors, whose sum is σ = 11050211232. Its totient is φ = 11050211230.

The previous prime is 11050211213. The next prime is 11050211371. The reversal of 11050211231 is 13211205011.

Together with previous prime (11050211213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11050211231 - 2³⁰ = 9976469407 is a prime.

It is a super-2 number, since 2×11050211231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11050211831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525105615 + 5525105616.

It is an arithmetic number, because the mean of its divisors is an integer number (5525105616).

Almost surely, 2^11050211231 is an apocalyptic number.

11050211231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11050211231 is an equidigital number, since it uses as much as digits as its factorization.

11050211231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11050211231 its reverse (13211205011), we get a palindrome (24261416242).

The spelling of 11050211231 in words is "eleven billion, fifty million, two hundred eleven thousand, two hundred thirty-one".