11231221012301 has 2 divisors, whose sum is σ = 11231221012302. Its totient is φ = 11231221012300.

The previous prime is 11231221012289. The next prime is 11231221012303. The reversal of 11231221012301 is 10321012213211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7561257051076 + 3669963961225 = 2749774^2 + 1915715^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231221012301 - 2³⁰ = 11230147270477 is a prime.

It is a super-2 number, since 2×11231221012301² (a number of 27 digits) contains 22 as substring.

Together with 11231221012303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231221012303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615610506150 + 5615610506151.

It is an arithmetic number, because the mean of its divisors is an integer number (5615610506151).

Almost surely, 2^{11231221012301} is an apocalyptic number.

It is an amenable number.

11231221012301 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231221012301 is an equidigital number, since it uses as much as digits as its factorization.

11231221012301 is an evil number, because the sum of its binary digits is even.

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

Adding to 11231221012301 its reverse (10321012213211), we get a palindrome (21552233225512).

The spelling of 11231221012301 in words is "eleven trillion, two hundred thirty-one billion, two hundred twenty-one million, twelve thousand, three hundred one".