11023231121131 has 2 divisors, whose sum is σ = 11023231121132. Its totient is φ = 11023231121130.

The previous prime is 11023231121099. The next prime is 11023231121233. The reversal of 11023231121131 is 13112113232011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11023231121131 - 2⁵ = 11023231121099 is a prime.

It is a super-2 number, since 2×11023231121131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11023231127131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511615560565 + 5511615560566.

It is an arithmetic number, because the mean of its divisors is an integer number (5511615560566).

Almost surely, 2^{11023231121131} is an apocalyptic number.

11023231121131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023231121131 is an equidigital number, since it uses as much as digits as its factorization.

11023231121131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11023231121131 its reverse (13112113232011), we get a palindrome (24135344353142).

The spelling of 11023231121131 in words is "eleven trillion, twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".