1133100443421 has 24 divisors (see below), whose sum is σ = 1677602155320. Its totient is φ = 736544256000.

The previous prime is 1133100443351. The next prime is 1133100443441. The reversal of 1133100443421 is 1243440013311.

1133100443421 is a `hidden beast` number, since 1 + 1 + 3 + 310 + 0 + 4 + 4 + 342 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 145531568196 + 987568875225 = 381486^2 + 993765^2 .

It is not a de Polignac number, because 1133100443421 - 2¹⁴ = 1133100427037 is a prime.

It is a super-2 number, since 2×1133100443421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133100443441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267780 + ... + 1529021.

It is an arithmetic number, because the mean of its divisors is an integer number (69900089805).

Almost surely, 2^{1133100443421} is an apocalyptic number.

It is an amenable number.

1133100443421 is a deficient number, since it is larger than the sum of its proper divisors (544501711899).

1133100443421 is a wasteful number, since it uses less digits than its factorization.

1133100443421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798557 (or 1798554 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1133100443421 its reverse (1243440013311), we get a palindrome (2376540456732).

The spelling of 1133100443421 in words is "one trillion, one hundred thirty-three billion, one hundred million, four hundred forty-three thousand, four hundred twenty-one".