11421202443 has 16 divisors (see below), whose sum is σ = 18003866880. Its totient is φ = 6301352736.

The previous prime is 11421202399. The next prime is 11421202453. The reversal of 11421202443 is 34420212411.

It is not a de Polignac number, because 11421202443 - 2²⁵ = 11387648011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11421202453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9376405 + ... + 9377622.

It is an arithmetic number, because the mean of its divisors is an integer number (1125241680).

Almost surely, 2^11421202443 is an apocalyptic number.

11421202443 is a deficient number, since it is larger than the sum of its proper divisors (6582664437).

11421202443 is a wasteful number, since it uses less digits than its factorization.

11421202443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18754066.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11421202443 its reverse (34420212411), we get a palindrome (45841414854).

The spelling of 11421202443 in words is "eleven billion, four hundred twenty-one million, two hundred two thousand, four hundred forty-three".