2112909926443 has 2 divisors, whose sum is σ = 2112909926444. Its totient is φ = 2112909926442.

The previous prime is 2112909926389. The next prime is 2112909926459. The reversal of 2112909926443 is 3446299092112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112909926443 is a prime.

It is a super-2 number, since 2×2112909926443² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112909926243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056454963221 + 1056454963222.

It is an arithmetic number, because the mean of its divisors is an integer number (1056454963222).

Almost surely, 2^{2112909926443} is an apocalyptic number.

2112909926443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112909926443 is an equidigital number, since it uses as much as digits as its factorization.

2112909926443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 2112909926443 in words is "two trillion, one hundred twelve billion, nine hundred nine million, nine hundred twenty-six thousand, four hundred forty-three".