22215515112107 has 2 divisors, whose sum is σ = 22215515112108. Its totient is φ = 22215515112106.

The previous prime is 22215515112067. The next prime is 22215515112151. The reversal of 22215515112107 is 70121151551222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22215515112107 is a prime.

It is a super-2 number, since 2×22215515112107² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22215515172107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11107757556053 + 11107757556054.

It is an arithmetic number, because the mean of its divisors is an integer number (11107757556054).

Almost surely, 2^{22215515112107} is an apocalyptic number.

22215515112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22215515112107 is an equidigital number, since it uses as much as digits as its factorization.

22215515112107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 35.

Adding to 22215515112107 its reverse (70121151551222), we get a palindrome (92336666663329).

The spelling of 22215515112107 in words is "twenty-two trillion, two hundred fifteen billion, five hundred fifteen million, one hundred twelve thousand, one hundred seven".