122503011121 has 2 divisors, whose sum is σ = 122503011122. Its totient is φ = 122503011120.

The previous prime is 122503011097. The next prime is 122503011139. The reversal of 122503011121 is 121110305221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90760600225 + 31742410896 = 301265^2 + 178164^2 .

It is a cyclic number.

It is not a de Polignac number, because 122503011121 - 2⁵ = 122503011089 is a prime.

It is not a weakly prime, because it can be changed into another prime (122503011151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61251505560 + 61251505561.

It is an arithmetic number, because the mean of its divisors is an integer number (61251505561).

Almost surely, 2^122503011121 is an apocalyptic number.

It is an amenable number.

122503011121 is a deficient number, since it is larger than the sum of its proper divisors (1).

122503011121 is an equidigital number, since it uses as much as digits as its factorization.

122503011121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 122503011121 its reverse (121110305221), we get a palindrome (243613316342).

The spelling of 122503011121 in words is "one hundred twenty-two billion, five hundred three million, eleven thousand, one hundred twenty-one".