20021001222107 has 2 divisors, whose sum is σ = 20021001222108. Its totient is φ = 20021001222106.

The previous prime is 20021001222083. The next prime is 20021001222119. The reversal of 20021001222107 is 70122210012002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20021001222107 - 2¹² = 20021001218011 is a prime.

It is not a weakly prime, because it can be changed into another prime (20021001222307) 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, 10010500611053 + 10010500611054.

It is an arithmetic number, because the mean of its divisors is an integer number (10010500611054).

Almost surely, 2^{20021001222107} is an apocalyptic number.

20021001222107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021001222107 is an equidigital number, since it uses as much as digits as its factorization.

20021001222107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 20021001222107 its reverse (70122210012002), we get a palindrome (90143211234109).

The spelling of 20021001222107 in words is "twenty trillion, twenty-one billion, one million, two hundred twenty-two thousand, one hundred seven".