11303122212131 has 2 divisors, whose sum is σ = 11303122212132. Its totient is φ = 11303122212130.

The previous prime is 11303122212127. The next prime is 11303122212157. The reversal of 11303122212131 is 13121222130311.

It is a happy number.

11303122212131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11303122212131 - 2² = 11303122212127 is a prime.

It is a super-2 number, since 2×11303122212131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11303122212097 and 11303122212106.

It is not a weakly prime, because it can be changed into another prime (11303122212191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651561106065 + 5651561106066.

It is an arithmetic number, because the mean of its divisors is an integer number (5651561106066).

Almost surely, 2^{11303122212131} is an apocalyptic number.

11303122212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303122212131 is an equidigital number, since it uses as much as digits as its factorization.

11303122212131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11303122212131 its reverse (13121222130311), we get a palindrome (24424344342442).

The spelling of 11303122212131 in words is "eleven trillion, three hundred three billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-one".