112131231011 has 2 divisors, whose sum is σ = 112131231012. Its totient is φ = 112131231010.

The previous prime is 112131230983. The next prime is 112131231059. The reversal of 112131231011 is 110132131211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112131231011 - 2⁶ = 112131230947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (112131231061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065615505 + 56065615506.

It is an arithmetic number, because the mean of its divisors is an integer number (56065615506).

Almost surely, 2^112131231011 is an apocalyptic number.

112131231011 is a deficient number, since it is larger than the sum of its proper divisors (1).

112131231011 is an equidigital number, since it uses as much as digits as its factorization.

112131231011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 112131231011 its reverse (110132131211), we get a palindrome (222263362222).

The spelling of 112131231011 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred thirty-one thousand, eleven".