11421422334 has 224 divisors, whose sum is σ = 30231855360. Its totient is φ = 3167755776.

The previous prime is 11421422333. The next prime is 11421422377. The reversal of 11421422334 is 43322412411.

11421422334 is a `hidden beast` number, since 1 + 1 + 421 + 4 + 2 + 233 + 4 = 666.

11421422334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11421422298 and 11421422307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421422333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 82168437 + ... + 82168575.

It is an arithmetic number, because the mean of its divisors is an integer number (134963640).

Almost surely, 2^11421422334 is an apocalyptic number.

11421422334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11421422334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15115927680).

11421422334 is an abundant number, since it is smaller than the sum of its proper divisors (18810433026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11421422334 is an equidigital number, since it uses as much as digits as its factorization.

11421422334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 331 counting only the distinct ones).

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

Adding to 11421422334 its reverse (43322412411), we get a palindrome (54743834745).

The spelling of 11421422334 in words is "eleven billion, four hundred twenty-one million, four hundred twenty-two thousand, three hundred thirty-four".