11422121343 has 16 divisors (see below), whose sum is σ = 15494595840. Its totient is φ = 7482313664.

The previous prime is 11422121329. The next prime is 11422121369. The reversal of 11422121343 is 34312122411.

It is a cyclic number.

It is not a de Polignac number, because 11422121343 - 2¹³ = 11422113151 is a prime.

It is a super-2 number, since 2×11422121343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422129343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415555 + ... + 442187.

It is an arithmetic number, because the mean of its divisors is an integer number (968412240).

Almost surely, 2^11422121343 is an apocalyptic number.

11422121343 is a deficient number, since it is larger than the sum of its proper divisors (4072474497).

11422121343 is a wasteful number, since it uses less digits than its factorization.

11422121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29118.

The product of its digits is 1152, while the sum is 24.

Adding to 11422121343 its reverse (34312122411), we get a palindrome (45734243754).

The spelling of 11422121343 in words is "eleven billion, four hundred twenty-two million, one hundred twenty-one thousand, three hundred forty-three".