1042333421311 has 24 divisors (see below), whose sum is σ = 1309225963920. Its totient is φ = 822527177472.

The previous prime is 1042333421299. The next prime is 1042333421401. The reversal of 1042333421311 is 1131243332401.

It is not a de Polignac number, because 1042333421311 - 2⁵ = 1042333421279 is a prime.

It is a super-2 number, since 2×1042333421311² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042333421311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042333421111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917306 + ... + 2400151.

It is an arithmetic number, because the mean of its divisors is an integer number (54551081830).

Almost surely, 2^{1042333421311} is an apocalyptic number.

1042333421311 is a deficient number, since it is larger than the sum of its proper divisors (266892542609).

1042333421311 is a wasteful number, since it uses less digits than its factorization.

1042333421311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317863 (or 4317856 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1042333421311 its reverse (1131243332401), we get a palindrome (2173576753712).

The spelling of 1042333421311 in words is "one trillion, forty-two billion, three hundred thirty-three million, four hundred twenty-one thousand, three hundred eleven".