112231001 has 2 divisors, whose sum is σ = 112231002. Its totient is φ = 112231000.

The previous prime is 112230973. The next prime is 112231019. The reversal of 112231001 is 100132211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110271001 + 1960000 = 10501^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 112231001 - 2²² = 108036697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112231201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56115500 + 56115501.

It is an arithmetic number, because the mean of its divisors is an integer number (56115501).

Almost surely, 2^112231001 is an apocalyptic number.

It is an amenable number.

112231001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112231001 is an equidigital number, since it uses as much as digits as its factorization.

112231001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 112231001 is about 10593.9133940202. The cubic root of 112231001 is about 482.3596212559.

Adding to 112231001 its reverse (100132211), we get a palindrome (212363212).

It can be divided in two parts, 1122 and 31001, that added together give a palindrome (32123).

The spelling of 112231001 in words is "one hundred twelve million, two hundred thirty-one thousand, one".