11230311223381 has 2 divisors, whose sum is σ = 11230311223382. Its totient is φ = 11230311223380.

The previous prime is 11230311223289. The next prime is 11230311223447. The reversal of 11230311223381 is 18332211303211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8613814104900 + 2616497118481 = 2934930^2 + 1617559^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230311223381 - 2⁹ = 11230311222869 is a prime.

It is a super-2 number, since 2×11230311223381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230311323381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615155611690 + 5615155611691.

It is an arithmetic number, because the mean of its divisors is an integer number (5615155611691).

Almost surely, 2^{11230311223381} is an apocalyptic number.

It is an amenable number.

11230311223381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230311223381 is an equidigital number, since it uses as much as digits as its factorization.

11230311223381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 11230311223381 its reverse (18332211303211), we get a palindrome (29562522526592).

The spelling of 11230311223381 in words is "eleven trillion, two hundred thirty billion, three hundred eleven million, two hundred twenty-three thousand, three hundred eighty-one".