1112504203721 has 2 divisors, whose sum is σ = 1112504203722. Its totient is φ = 1112504203720.

The previous prime is 1112504203717. The next prime is 1112504203781. The reversal of 1112504203721 is 1273024052111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 993482653696 + 119021550025 = 996736^2 + 344995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112504203721 - 2² = 1112504203717 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112504203781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556252101860 + 556252101861.

It is an arithmetic number, because the mean of its divisors is an integer number (556252101861).

Almost surely, 2^{1112504203721} is an apocalyptic number.

It is an amenable number.

1112504203721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112504203721 is an equidigital number, since it uses as much as digits as its factorization.

1112504203721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 1112504203721 its reverse (1273024052111), we get a palindrome (2385528255832).

The spelling of 1112504203721 in words is "one trillion, one hundred twelve billion, five hundred four million, two hundred three thousand, seven hundred twenty-one".