1102212817 has 2 divisors, whose sum is σ = 1102212818. Its totient is φ = 1102212816.

The previous prime is 1102212809. The next prime is 1102212827. The reversal of 1102212817 is 7182122011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1072955536 + 29257281 = 32756^2 + 5409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102212817 - 2³ = 1102212809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102212791 and 1102212800.

It is not a weakly prime, because it can be changed into another prime (1102212827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551106408 + 551106409.

It is an arithmetic number, because the mean of its divisors is an integer number (551106409).

Almost surely, 2^1102212817 is an apocalyptic number.

It is an amenable number.

1102212817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102212817 is an equidigital number, since it uses as much as digits as its factorization.

1102212817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 1102212817 is about 33199.5906149458. The cubic root of 1102212817 is about 1032.9718478790.

Adding to 1102212817 its reverse (7182122011), we get a palindrome (8284334828).

The spelling of 1102212817 in words is "one billion, one hundred two million, two hundred twelve thousand, eight hundred seventeen".