1112001310621 has 2 divisors, whose sum is σ = 1112001310622. Its totient is φ = 1112001310620.

The previous prime is 1112001310577. The next prime is 1112001310627. The reversal of 1112001310621 is 1260131002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 726125536900 + 385875773721 = 852130^2 + 621189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112001310621 - 2⁷ = 1112001310493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112001310627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556000655310 + 556000655311.

It is an arithmetic number, because the mean of its divisors is an integer number (556000655311).

Almost surely, 2^{1112001310621} is an apocalyptic number.

It is an amenable number.

1112001310621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112001310621 is an equidigital number, since it uses as much as digits as its factorization.

1112001310621 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1112001310621 its reverse (1260131002111), we get a palindrome (2372132312732).

The spelling of 1112001310621 in words is "one trillion, one hundred twelve billion, one million, three hundred ten thousand, six hundred twenty-one".