112233351521 has 2 divisors, whose sum is σ = 112233351522. Its totient is φ = 112233351520.

The previous prime is 112233351493. The next prime is 112233351563. The reversal of 112233351521 is 125153332211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82817328400 + 29416023121 = 287780^2 + 171511^2 .

It is a cyclic number.

It is not a de Polignac number, because 112233351521 - 2²² = 112229157217 is a prime.

It is not a weakly prime, because it can be changed into another prime (112233350521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56116675760 + 56116675761.

It is an arithmetic number, because the mean of its divisors is an integer number (56116675761).

Almost surely, 2^112233351521 is an apocalyptic number.

It is an amenable number.

112233351521 is a deficient number, since it is larger than the sum of its proper divisors (1).

112233351521 is an equidigital number, since it uses as much as digits as its factorization.

112233351521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

Adding to 112233351521 its reverse (125153332211), we get a palindrome (237386683732).

The spelling of 112233351521 in words is "one hundred twelve billion, two hundred thirty-three million, three hundred fifty-one thousand, five hundred twenty-one".