11142203420044 has 24 divisors (see below), whose sum is σ = 20171486790000. Its totient is φ = 5378926365120.

The previous prime is 11142203420021. The next prime is 11142203420119. The reversal of 11142203420044 is 44002430224111.

It is a junction number, because it is equal to n+sod(n) for n = 11142203419994 and 11142203420021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9233514 + ... + 10370254.

It is an arithmetic number, because the mean of its divisors is an integer number (840478616250).

Almost surely, 2^{11142203420044} is an apocalyptic number.

It is an amenable number.

11142203420044 is a deficient number, since it is larger than the sum of its proper divisors (9029283369956).

11142203420044 is a wasteful number, since it uses less digits than its factorization.

11142203420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221273 (or 1221271 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11142203420044 its reverse (44002430224111), we get a palindrome (55144633644155).

The spelling of 11142203420044 in words is "eleven trillion, one hundred forty-two billion, two hundred three million, four hundred twenty thousand, forty-four".