122220001121117 has 2 divisors, whose sum is σ = 122220001121118. Its totient is φ = 122220001121116.

The previous prime is 122220001121111. The next prime is 122220001121147. The reversal of 122220001121117 is 711121100022221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109289691297241 + 12930309823876 = 10454171^2 + 3595874^2 .

It is a cyclic number.

It is not a de Polignac number, because 122220001121117 - 2³⁴ = 122202821251933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122220001121092 and 122220001121101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220001121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110000560558 + 61110000560559.

It is an arithmetic number, because the mean of its divisors is an integer number (61110000560559).

Almost surely, 2^{122220001121117} is an apocalyptic number.

It is an amenable number.

122220001121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220001121117 is an equidigital number, since it uses as much as digits as its factorization.

122220001121117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 122220001121117 its reverse (711121100022221), we get a palindrome (833341101143338).

The spelling of 122220001121117 in words is "one hundred twenty-two trillion, two hundred twenty billion, one million, one hundred twenty-one thousand, one hundred seventeen".