1112131230121 has 2 divisors, whose sum is σ = 1112131230122. Its totient is φ = 1112131230120.

The previous prime is 1112131230083. The next prime is 1112131230143. The reversal of 1112131230121 is 1210321312111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932576490000 + 179554740121 = 965700^2 + 423739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112131230121 - 2²³ = 1112122841513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112131230151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556065615060 + 556065615061.

It is an arithmetic number, because the mean of its divisors is an integer number (556065615061).

Almost surely, 2^{1112131230121} is an apocalyptic number.

It is an amenable number.

1112131230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112131230121 is an equidigital number, since it uses as much as digits as its factorization.

1112131230121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1112131230121 its reverse (1210321312111), we get a palindrome (2322452542232).

The spelling of 1112131230121 in words is "one trillion, one hundred twelve billion, one hundred thirty-one million, two hundred thirty thousand, one hundred twenty-one".