122503011131 has 4 divisors (see below), whose sum is σ = 123397193832. Its totient is φ = 121608828432.

The previous prime is 122503011121. The next prime is 122503011139. The reversal of 122503011131 is 131110305221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131110305221 = 7 ⋅18730043603.

It is a cyclic number.

It is not a de Polignac number, because 122503011131 - 2¹⁰ = 122503010107 is a prime.

It is a super-2 number, since 2×122503011131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122503011139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447091145 + ... + 447091418.

It is an arithmetic number, because the mean of its divisors is an integer number (30849298458).

Almost surely, 2^122503011131 is an apocalyptic number.

122503011131 is a deficient number, since it is larger than the sum of its proper divisors (894182701).

122503011131 is an equidigital number, since it uses as much as digits as its factorization.

122503011131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894182700.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 122503011131 its reverse (131110305221), we get a palindrome (253613316352).

The spelling of 122503011131 in words is "one hundred twenty-two billion, five hundred three million, eleven thousand, one hundred thirty-one".