20011222110107 has 2 divisors, whose sum is σ = 20011222110108. Its totient is φ = 20011222110106.

The previous prime is 20011222109993. The next prime is 20011222110119. The reversal of 20011222110107 is 70101122211002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011222110107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011222110907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005611055053 + 10005611055054.

It is an arithmetic number, because the mean of its divisors is an integer number (10005611055054).

Almost surely, 2^{20011222110107} is an apocalyptic number.

20011222110107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011222110107 is an equidigital number, since it uses as much as digits as its factorization.

20011222110107 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20011222110107 its reverse (70101122211002), we get a palindrome (90112344321109).

The spelling of 20011222110107 in words is "twenty trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, one hundred seven".