11142120442002 has 64 divisors (see below), whose sum is σ = 24459623101440. Its totient is φ = 3355644801600.

The previous prime is 11142120441973. The next prime is 11142120442007. The reversal of 11142120442002 is 20024402124111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11142120442007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31003899 + ... + 31361217.

It is an arithmetic number, because the mean of its divisors is an integer number (382181610960).

Almost surely, 2^{11142120442002} is an apocalyptic number.

11142120442002 is an abundant number, since it is smaller than the sum of its proper divisors (13317502659438).

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

11142120442002 is a wasteful number, since it uses less digits than its factorization.

11142120442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360239.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11142120442002 its reverse (20024402124111), we get a palindrome (31166522566113).

The spelling of 11142120442002 in words is "eleven trillion, one hundred forty-two billion, one hundred twenty million, four hundred forty-two thousand, two".