11302122012131 has 4 divisors (see below), whose sum is σ = 11577783524664. Its totient is φ = 11026460499600.

The previous prime is 11302122012079. The next prime is 11302122012133. The reversal of 11302122012131 is 13121022120311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11302122012131 is a prime.

It is a super-2 number, since 2×11302122012131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11302122012133) 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 in 3 ways as a sum of consecutive naturals, for example, 137830756205 + ... + 137830756286.

It is an arithmetic number, because the mean of its divisors is an integer number (2894445881166).

Almost surely, 2^{11302122012131} is an apocalyptic number.

11302122012131 is a deficient number, since it is larger than the sum of its proper divisors (275661512533).

11302122012131 is an equidigital number, since it uses as much as digits as its factorization.

11302122012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275661512532.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11302122012131 its reverse (13121022120311), we get a palindrome (24423144132442).

The spelling of 11302122012131 in words is "eleven trillion, three hundred two billion, one hundred twenty-two million, twelve thousand, one hundred thirty-one".