1113334012381 has 2 divisors, whose sum is σ = 1113334012382. Its totient is φ = 1113334012380.

The previous prime is 1113334012379. The next prime is 1113334012447. The reversal of 1113334012381 is 1832104333111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110926540025 + 2407472356 = 1054005^2 + 49066^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113334012381 - 2¹ = 1113334012379 is a prime.

It is a super-2 number, since 2×1113334012381² (a number of 25 digits) contains 22 as substring.

Together with 1113334012379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113334012331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556667006190 + 556667006191.

It is an arithmetic number, because the mean of its divisors is an integer number (556667006191).

Almost surely, 2^{1113334012381} is an apocalyptic number.

It is an amenable number.

1113334012381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113334012381 is an equidigital number, since it uses as much as digits as its factorization.

1113334012381 is an evil number, because the sum of its binary digits is even.

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

Adding to 1113334012381 its reverse (1832104333111), we get a palindrome (2945438345492).

The spelling of 1113334012381 in words is "one trillion, one hundred thirteen billion, three hundred thirty-four million, twelve thousand, three hundred eighty-one".