107005166221 has 2 divisors, whose sum is σ = 107005166222. Its totient is φ = 107005166220.

The previous prime is 107005166189. The next prime is 107005166263. The reversal of 107005166221 is 122661500701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74969178025 + 32035988196 = 273805^2 + 178986^2 .

It is a cyclic number.

It is not a de Polignac number, because 107005166221 - 2⁵ = 107005166189 is a prime.

It is a super-2 number, since 2×107005166221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107005166921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53502583110 + 53502583111.

It is an arithmetic number, because the mean of its divisors is an integer number (53502583111).

Almost surely, 2^107005166221 is an apocalyptic number.

It is an amenable number.

107005166221 is a deficient number, since it is larger than the sum of its proper divisors (1).

107005166221 is an equidigital number, since it uses as much as digits as its factorization.

107005166221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 107005166221 its reverse (122661500701), we get a palindrome (229666666922).

The spelling of 107005166221 in words is "one hundred seven billion, five million, one hundred sixty-six thousand, two hundred twenty-one".