1042434221011 has 2 divisors, whose sum is σ = 1042434221012. Its totient is φ = 1042434221010.

The previous prime is 1042434220991. The next prime is 1042434221021. The reversal of 1042434221011 is 1101224342401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042434221011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042434221021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521217110505 + 521217110506.

It is an arithmetic number, because the mean of its divisors is an integer number (521217110506).

Almost surely, 2^{1042434221011} is an apocalyptic number.

1042434221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042434221011 is an equidigital number, since it uses as much as digits as its factorization.

1042434221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1042434221011 its reverse (1101224342401), we get a palindrome (2143658563412).

The spelling of 1042434221011 in words is "one trillion, forty-two billion, four hundred thirty-four million, two hundred twenty-one thousand, eleven".