11420043122 has 16 divisors (see below), whose sum is σ = 17883936000. Its totient is φ = 5458983552.

The previous prime is 11420043121. The next prime is 11420043149. The reversal of 11420043122 is 22134002411.

It is a junction number, because it is equal to n+sod(n) for n = 11420043094 and 11420043103.

It is not an unprimeable number, because it can be changed into a prime (11420043121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29858 + ... + 154050.

It is an arithmetic number, because the mean of its divisors is an integer number (1117746000).

Almost surely, 2^11420043122 is an apocalyptic number.

11420043122 is a deficient number, since it is larger than the sum of its proper divisors (6463892878).

11420043122 is a wasteful number, since it uses less digits than its factorization.

11420043122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126217.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11420043122 its reverse (22134002411), we get a palindrome (33554045533).

The spelling of 11420043122 in words is "eleven billion, four hundred twenty million, forty-three thousand, one hundred twenty-two".