221020122020107 has 2 divisors, whose sum is σ = 221020122020108. Its totient is φ = 221020122020106.

The previous prime is 221020122020059. The next prime is 221020122020123. The reversal of 221020122020107 is 701020221020122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221020122020107 - 2²⁷ = 221019987802379 is a prime.

It is not a weakly prime, because it can be changed into another prime (221020122030107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110510061010053 + 110510061010054.

It is an arithmetic number, because the mean of its divisors is an integer number (110510061010054).

Almost surely, 2^{221020122020107} is an apocalyptic number.

221020122020107 is a deficient number, since it is larger than the sum of its proper divisors (1).

221020122020107 is an equidigital number, since it uses as much as digits as its factorization.

221020122020107 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 22.

Adding to 221020122020107 its reverse (701020221020122), we get a palindrome (922040343040229).

The spelling of 221020122020107 in words is "two hundred twenty-one trillion, twenty billion, one hundred twenty-two million, twenty thousand, one hundred seven".