1112731221097 has 2 divisors, whose sum is σ = 1112731221098. Its totient is φ = 1112731221096.

The previous prime is 1112731221029. The next prime is 1112731221127. The reversal of 1112731221097 is 7901221372111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041820324416 + 70910896681 = 1020696^2 + 266291^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112731221097 - 2¹¹ = 1112731219049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112731228097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556365610548 + 556365610549.

It is an arithmetic number, because the mean of its divisors is an integer number (556365610549).

Almost surely, 2^{1112731221097} is an apocalyptic number.

It is an amenable number.

1112731221097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112731221097 is an equidigital number, since it uses as much as digits as its factorization.

1112731221097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 37.

The spelling of 1112731221097 in words is "one trillion, one hundred twelve billion, seven hundred thirty-one million, two hundred twenty-one thousand, ninety-seven".