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1010101222217 is a prime number
BaseRepresentation
bin11101011001011101011…
…10010111101101001001
310120120020200122200101102
432230232232113231021
5113022141403102332
62052011210431145
7132656151503333
oct16545656275511
93516220580342
101010101222217
1135a42189672a
12143920a324b5
1374337c36bc9
1436c63bd8453
151b41d46b062
hexeb2eb97b49

1010101222217 has 2 divisors, whose sum is σ = 1010101222218. Its totient is φ = 1010101222216.

The previous prime is 1010101222153. The next prime is 1010101222223. The reversal of 1010101222217 is 7122221010101.

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., 668705249536 + 341395972681 = 817744^2 + 584291^2 .

It is an emirp because it is prime and its reverse (7122221010101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010101222217 - 26 = 1010101222153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010101222717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050611108 + 505050611109.

It is an arithmetic number, because the mean of its divisors is an integer number (505050611109).

Almost surely, 21010101222217 is an apocalyptic number.

It is an amenable number.

1010101222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010101222217 is an equidigital number, since it uses as much as digits as its factorization.

1010101222217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1010101222217 its reverse (7122221010101), we get a palindrome (8132322232318).

The spelling of 1010101222217 in words is "one trillion, ten billion, one hundred one million, two hundred twenty-two thousand, two hundred seventeen".