1102111222217 has 2 divisors, whose sum is σ = 1102111222218. Its totient is φ = 1102111222216.

The previous prime is 1102111222213. The next prime is 1102111222253. The reversal of 1102111222217 is 7122221112011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085547274816 + 16563947401 = 1041896^2 + 128701^2 .

It is an emirp because it is prime and its reverse (7122221112011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102111222217 - 2² = 1102111222213 is a prime.

It is a super-2 number, since 2×1102111222217² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102111222192 and 1102111222201.

It is not a weakly prime, because it can be changed into another prime (1102111222213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551055611108 + 551055611109.

It is an arithmetic number, because the mean of its divisors is an integer number (551055611109).

Almost surely, 2^{1102111222217} is an apocalyptic number.

It is an amenable number.

1102111222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102111222217 is an equidigital number, since it uses as much as digits as its factorization.

1102111222217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1102111222217 its reverse (7122221112011), we get a palindrome (8224332334228).

The spelling of 1102111222217 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred seventeen".