215424122107 has 2 divisors, whose sum is σ = 215424122108. Its totient is φ = 215424122106.

The previous prime is 215424122051. The next prime is 215424122119. The reversal of 215424122107 is 701221424512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215424122107 - 2¹⁹ = 215423597819 is a prime.

It is a super-4 number, since 4×215424122107⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (215424126107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107712061053 + 107712061054.

It is an arithmetic number, because the mean of its divisors is an integer number (107712061054).

Almost surely, 2^215424122107 is an apocalyptic number.

215424122107 is a deficient number, since it is larger than the sum of its proper divisors (1).

215424122107 is an equidigital number, since it uses as much as digits as its factorization.

215424122107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

Adding to 215424122107 its reverse (701221424512), we get a palindrome (916645546619).

The spelling of 215424122107 in words is "two hundred fifteen billion, four hundred twenty-four million, one hundred twenty-two thousand, one hundred seven".