11034443421 has 24 divisors (see below), whose sum is σ = 16696992000. Its totient is φ = 7012710432.

The previous prime is 11034443393. The next prime is 11034443423. The reversal of 11034443421 is 12434443011.

It is not a de Polignac number, because 11034443421 - 2¹⁹ = 11033919133 is a prime.

It is a super-2 number, since 2×11034443421² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034443423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246961 + ... + 288198.

It is an arithmetic number, because the mean of its divisors is an integer number (695708000).

Almost surely, 2^11034443421 is an apocalyptic number.

It is an amenable number.

11034443421 is a deficient number, since it is larger than the sum of its proper divisors (5662548579).

11034443421 is a wasteful number, since it uses less digits than its factorization.

11034443421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535273 (or 535270 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11034443421 its reverse (12434443011), we get a palindrome (23468886432).

The spelling of 11034443421 in words is "eleven billion, thirty-four million, four hundred forty-three thousand, four hundred twenty-one".