1042442220133 has 4 divisors (see below), whose sum is σ = 1097307600160. Its totient is φ = 987576840108.

The previous prime is 1042442220107. The next prime is 1042442220163. The reversal of 1042442220133 is 3310222442401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042442220133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042442220163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27432689985 + ... + 27432690022.

It is an arithmetic number, because the mean of its divisors is an integer number (274326900040).

Almost surely, 2^{1042442220133} is an apocalyptic number.

It is an amenable number.

1042442220133 is a deficient number, since it is larger than the sum of its proper divisors (54865380027).

1042442220133 is an equidigital number, since it uses as much as digits as its factorization.

1042442220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54865380026.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1042442220133 its reverse (3310222442401), we get a palindrome (4352664662534).

The spelling of 1042442220133 in words is "one trillion, forty-two billion, four hundred forty-two million, two hundred twenty thousand, one hundred thirty-three".