122200111109873 has 2 divisors, whose sum is σ = 122200111109874. Its totient is φ = 122200111109872.

The previous prime is 122200111109831. The next prime is 122200111109893. The reversal of 122200111109873 is 378901111002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81142478599744 + 41057632510129 = 9007912^2 + 6407623^2 .

It is a cyclic number.

It is not a de Polignac number, because 122200111109873 - 2⁴⁶ = 51831366932209 is a prime.

It is a super-2 number, since 2×122200111109873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122200111109893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61100055554936 + 61100055554937.

It is an arithmetic number, because the mean of its divisors is an integer number (61100055554937).

Almost surely, 2^{122200111109873} is an apocalyptic number.

It is an amenable number.

122200111109873 is a deficient number, since it is larger than the sum of its proper divisors (1).

122200111109873 is an equidigital number, since it uses as much as digits as its factorization.

122200111109873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 122200111109873 in words is "one hundred twenty-two trillion, two hundred billion, one hundred eleven million, one hundred nine thousand, eight hundred seventy-three".