1112000221 has 2 divisors, whose sum is σ = 1112000222. Its totient is φ = 1112000220.

The previous prime is 1112000191. The next prime is 1112000299. The reversal of 1112000221 is 1220002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076168025 + 35832196 = 32805^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112000221 - 2²⁵ = 1078445789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112000198 and 1112000207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112000321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556000110 + 556000111.

It is an arithmetic number, because the mean of its divisors is an integer number (556000111).

Almost surely, 2^1112000221 is an apocalyptic number.

It is an amenable number.

1112000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112000221 is an equidigital number, since it uses as much as digits as its factorization.

1112000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1112000221 is about 33346.6673147408. The cubic root of 1112000221 is about 1036.0203621093.

Adding to 1112000221 its reverse (1220002111), we get a palindrome (2332002332).

The spelling of 1112000221 in words is "one billion, one hundred twelve million, two hundred twenty-one", and thus it is an aban number.