2113112344451 has 2 divisors, whose sum is σ = 2113112344452. Its totient is φ = 2113112344450.

The previous prime is 2113112344313. The next prime is 2113112344471. The reversal of 2113112344451 is 1544432113112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113112344451 is a prime.

It is a super-3 number, since 3×2113112344451³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2113112344471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056556172225 + 1056556172226.

It is an arithmetic number, because the mean of its divisors is an integer number (1056556172226).

Almost surely, 2^{2113112344451} is an apocalyptic number.

2113112344451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113112344451 is an equidigital number, since it uses as much as digits as its factorization.

2113112344451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

Adding to 2113112344451 its reverse (1544432113112), we get a palindrome (3657544457563).

The spelling of 2113112344451 in words is "two trillion, one hundred thirteen billion, one hundred twelve million, three hundred forty-four thousand, four hundred fifty-one".