1112000120221 has 2 divisors, whose sum is σ = 1112000120222. Its totient is φ = 1112000120220.

The previous prime is 1112000120171. The next prime is 1112000120237. The reversal of 1112000120221 is 1220210002111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109832752196 + 2167368025 = 1053486^2 + 46555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112000120221 - 2⁹ = 1112000119709 is a prime.

It is a super-3 number, since 3×1112000120221³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112000120321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556000060110 + 556000060111.

It is an arithmetic number, because the mean of its divisors is an integer number (556000060111).

Almost surely, 2^{1112000120221} is an apocalyptic number.

It is an amenable number.

1112000120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112000120221 is an equidigital number, since it uses as much as digits as its factorization.

1112000120221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1112000120221 its reverse (1220210002111), we get a palindrome (2332210122332).

The spelling of 1112000120221 in words is "one trillion, one hundred twelve billion, one hundred twenty thousand, two hundred twenty-one".