1112222345677 has 2 divisors, whose sum is σ = 1112222345678. Its totient is φ = 1112222345676.

The previous prime is 1112222345621. The next prime is 1112222345713. The reversal of 1112222345677 is 7765432222111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 826488264996 + 285734080681 = 909114^2 + 534541^2 .

It is an emirp because it is prime and its reverse (7765432222111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112222345677 - 2²³ = 1112213957069 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112222345617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556111172838 + 556111172839.

It is an arithmetic number, because the mean of its divisors is an integer number (556111172839).

Almost surely, 2^{1112222345677} is an apocalyptic number.

It is an amenable number.

1112222345677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112222345677 is an equidigital number, since it uses as much as digits as its factorization.

1112222345677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

Adding to 1112222345677 its reverse (7765432222111), we get a palindrome (8877654567788).

The spelling of 1112222345677 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, three hundred forty-five thousand, six hundred seventy-seven".