11110313021 has 2 divisors, whose sum is σ = 11110313022. Its totient is φ = 11110313020.

The previous prime is 11110313003. The next prime is 11110313029. The reversal of 11110313021 is 12031301111.

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., 8115487396 + 2994825625 = 90086^2 + 54725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110313021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110312987 and 11110313005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110313029) 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, 5555156510 + 5555156511.

It is an arithmetic number, because the mean of its divisors is an integer number (5555156511).

Almost surely, 2^11110313021 is an apocalyptic number.

It is an amenable number.

11110313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110313021 is an equidigital number, since it uses as much as digits as its factorization.

11110313021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11110313021 its reverse (12031301111), we get a palindrome (23141614132).

The spelling of 11110313021 in words is "eleven billion, one hundred ten million, three hundred thirteen thousand, twenty-one".