22105512043 has 2 divisors, whose sum is σ = 22105512044. Its totient is φ = 22105512042.

The previous prime is 22105512031. The next prime is 22105512047. The reversal of 22105512043 is 34021550122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22105512043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22105511999 and 22105512017.

It is not a weakly prime, because it can be changed into another prime (22105512047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11052756021 + 11052756022.

It is an arithmetic number, because the mean of its divisors is an integer number (11052756022).

Almost surely, 2^22105512043 is an apocalyptic number.

22105512043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22105512043 is an equidigital number, since it uses as much as digits as its factorization.

22105512043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22105512043 in words is "twenty-two billion, one hundred five million, five hundred twelve thousand, forty-three".