11042423401121 has 16 divisors (see below), whose sum is σ = 13422180731904. Its totient is φ = 8868226512384.

The previous prime is 11042423401033. The next prime is 11042423401129. The reversal of 11042423401121 is 12110432424011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11042423401121 is a prime.

It is a super-2 number, since 2×11042423401121² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11042423401129) 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 15 ways as a sum of consecutive naturals, for example, 208030580 + ... + 208083653.

It is an arithmetic number, because the mean of its divisors is an integer number (838886295744).

Almost surely, 2^{11042423401121} is an apocalyptic number.

It is an amenable number.

11042423401121 is a deficient number, since it is larger than the sum of its proper divisors (2379757330783).

11042423401121 is a wasteful number, since it uses less digits than its factorization.

11042423401121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416114480.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 11042423401121 its reverse (12110432424011), we get a palindrome (23152855825132).

The spelling of 11042423401121 in words is "eleven trillion, forty-two billion, four hundred twenty-three million, four hundred one thousand, one hundred twenty-one".