11301312222131 has 2 divisors, whose sum is σ = 11301312222132. Its totient is φ = 11301312222130.

The previous prime is 11301312222127. The next prime is 11301312222139. The reversal of 11301312222131 is 13122221310311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11301312222131 - 2² = 11301312222127 is a prime.

It is a super-2 number, since 2×11301312222131² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11301312222097 and 11301312222106.

It is not a weakly prime, because it can be changed into another prime (11301312222139) 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 as a sum of consecutive naturals, namely, 5650656111065 + 5650656111066.

It is an arithmetic number, because the mean of its divisors is an integer number (5650656111066).

Almost surely, 2^{11301312222131} is an apocalyptic number.

11301312222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301312222131 is an equidigital number, since it uses as much as digits as its factorization.

11301312222131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11301312222131 its reverse (13122221310311), we get a palindrome (24423533532442).

The spelling of 11301312222131 in words is "eleven trillion, three hundred one billion, three hundred twelve million, two hundred twenty-two thousand, one hundred thirty-one".