11442022421 has 8 divisors (see below), whose sum is σ = 11486342784. Its totient is φ = 11397728160.

The previous prime is 11442022393. The next prime is 11442022441. The reversal of 11442022421 is 12422024411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11442022421 - 2²² = 11437828117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442022441) 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 7 ways as a sum of consecutive naturals, for example, 1728500 + ... + 1735106.

It is an arithmetic number, because the mean of its divisors is an integer number (1435792848).

Almost surely, 2^11442022421 is an apocalyptic number.

It is an amenable number.

11442022421 is a deficient number, since it is larger than the sum of its proper divisors (44320363).

11442022421 is an equidigital number, since it uses as much as digits as its factorization.

11442022421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11442022421 its reverse (12422024411), we get a palindrome (23864046832).

The spelling of 11442022421 in words is "eleven billion, four hundred forty-two million, twenty-two thousand, four hundred twenty-one".