21022122201107 has 2 divisors, whose sum is σ = 21022122201108. Its totient is φ = 21022122201106.

The previous prime is 21022122201097. The next prime is 21022122201121. The reversal of 21022122201107 is 70110222122012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21022122201107 - 2⁶ = 21022122201043 is a prime.

It is not a weakly prime, because it can be changed into another prime (21022122201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511061100553 + 10511061100554.

It is an arithmetic number, because the mean of its divisors is an integer number (10511061100554).

Almost surely, 2^{21022122201107} is an apocalyptic number.

21022122201107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022122201107 is an equidigital number, since it uses as much as digits as its factorization.

21022122201107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 21022122201107 its reverse (70110222122012), we get a palindrome (91132344323119).

The spelling of 21022122201107 in words is "twenty-one trillion, twenty-two billion, one hundred twenty-two million, two hundred one thousand, one hundred seven".