42103444121033 has 4 divisors (see below), whose sum is σ = 42107877472020. Its totient is φ = 42099010770048.

The previous prime is 42103444120973. The next prime is 42103444121041. The reversal of 42103444121033 is 33012144430124.

42103444121033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20386380856384 + 21717063264649 = 4515128^2 + 4660157^2 .

It is a cyclic number.

It is not a de Polignac number, because 42103444121033 - 2³⁸ = 41828566214089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42103444121533) 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, 2216661248 + ... + 2216680241.

It is an arithmetic number, because the mean of its divisors is an integer number (10526969368005).

Almost surely, 2^{42103444121033} is an apocalyptic number.

It is an amenable number.

42103444121033 is a deficient number, since it is larger than the sum of its proper divisors (4433350987).

42103444121033 is an equidigital number, since it uses as much as digits as its factorization.

42103444121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433350986.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 42103444121033 its reverse (33012144430124), we get a palindrome (75115588551157).

The spelling of 42103444121033 in words is "forty-two trillion, one hundred three billion, four hundred forty-four million, one hundred twenty-one thousand, thirty-three".