1112103217 has 2 divisors, whose sum is σ = 1112103218. Its totient is φ = 1112103216.

The previous prime is 1112103169. The next prime is 1112103227. The reversal of 1112103217 is 7123012111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577152576 + 534950641 = 24024^2 + 23129^2 .

It is an emirp because it is prime and its reverse (7123012111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112103217 - 2¹⁹ = 1111578929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112103194 and 1112103203.

It is not a weakly prime, because it can be changed into another prime (1112103227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556051608 + 556051609.

It is an arithmetic number, because the mean of its divisors is an integer number (556051609).

Almost surely, 2^1112103217 is an apocalyptic number.

It is an amenable number.

1112103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112103217 is an equidigital number, since it uses as much as digits as its factorization.

1112103217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 1112103217 is about 33348.2116012238. The cubic root of 1112103217 is about 1036.0523473124.

Adding to 1112103217 its reverse (7123012111), we get a palindrome (8235115328).

It can be divided in two parts, 1112 and 103217, that added together give a square (104329 = 323²).

The spelling of 1112103217 in words is "one billion, one hundred twelve million, one hundred three thousand, two hundred seventeen".