107217221218 has 8 divisors (see below), whose sum is σ = 160827221340. Its totient is φ = 53608147440.

The previous prime is 107217221201. The next prime is 107217221219. The reversal of 107217221218 is 812122712701.

It can be written as a sum of positive squares in 2 ways, for example, as 102497943409 + 4719277809 = 320153^2 + 68697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×107217221218² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107217221219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335388 + ... + 571768.

Almost surely, 2^107217221218 is an apocalyptic number.

107217221218 is a deficient number, since it is larger than the sum of its proper divisors (53610000122).

107217221218 is a wasteful number, since it uses less digits than its factorization.

107217221218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463172.

The product of its (nonzero) digits is 6272, while the sum is 34.

Adding to 107217221218 its reverse (812122712701), we get a palindrome (919339933919).

The spelling of 107217221218 in words is "one hundred seven billion, two hundred seventeen million, two hundred twenty-one thousand, two hundred eighteen".