2112122101043 has 2 divisors, whose sum is σ = 2112122101044. Its totient is φ = 2112122101042.

The previous prime is 2112122101039. The next prime is 2112122101049. The reversal of 2112122101043 is 3401012212112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112122101043 - 2² = 2112122101039 is a prime.

It is a super-2 number, since 2×2112122101043² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112122101049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056061050521 + 1056061050522.

It is an arithmetic number, because the mean of its divisors is an integer number (1056061050522).

Almost surely, 2^{2112122101043} is an apocalyptic number.

2112122101043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112122101043 is an equidigital number, since it uses as much as digits as its factorization.

2112122101043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2112122101043 its reverse (3401012212112), we get a palindrome (5513134313155).

The spelling of 2112122101043 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, forty-three".