11110211131 has 2 divisors, whose sum is σ = 11110211132. Its totient is φ = 11110211130.

The previous prime is 11110211089. The next prime is 11110211153. The reversal of 11110211131 is 13111201111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110211131 - 2⁷ = 11110211003 is a prime.

It is a super-2 number, since 2×11110211131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11110214131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555105565 + 5555105566.

It is an arithmetic number, because the mean of its divisors is an integer number (5555105566).

Almost surely, 2^11110211131 is an apocalyptic number.

11110211131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110211131 is an equidigital number, since it uses as much as digits as its factorization.

11110211131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11110211131 its reverse (13111201111), we get a palindrome (24221412242).

The spelling of 11110211131 in words is "eleven billion, one hundred ten million, two hundred eleven thousand, one hundred thirty-one".