11331030163121 has 2 divisors, whose sum is σ = 11331030163122. Its totient is φ = 11331030163120.

The previous prime is 11331030163093. The next prime is 11331030163133. The reversal of 11331030163121 is 12136103013311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10705728785521 + 625301377600 = 3271961^2 + 790760^2 .

It is an emirp because it is prime and its reverse (12136103013311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331030163121 - 2¹⁰ = 11331030162097 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331030163151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665515081560 + 5665515081561.

It is an arithmetic number, because the mean of its divisors is an integer number (5665515081561).

Almost surely, 2^{11331030163121} is an apocalyptic number.

It is an amenable number.

11331030163121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331030163121 is an equidigital number, since it uses as much as digits as its factorization.

11331030163121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 11331030163121 its reverse (12136103013311), we get a palindrome (23467133176432).

The spelling of 11331030163121 in words is "eleven trillion, three hundred thirty-one billion, thirty million, one hundred sixty-three thousand, one hundred twenty-one".