11242202043138 has 32 divisors (see below), whose sum is σ = 24663957095232. Its totient is φ = 3387906187200.

The previous prime is 11242202043133. The next prime is 11242202043139. The reversal of 11242202043138 is 83134020224211.

It is a happy number.

It is a super-2 number, since 2×11242202043138² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 11242202043099 and 11242202043108.

It is not an unprimeable number, because it can be changed into a prime (11242202043133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470530581 + ... + 470554472.

It is an arithmetic number, because the mean of its divisors is an integer number (770748659226).

Almost surely, 2^{11242202043138} is an apocalyptic number.

11242202043138 is an abundant number, since it is smaller than the sum of its proper divisors (13421755052094).

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

11242202043138 is a wasteful number, since it uses less digits than its factorization.

11242202043138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941085250.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 11242202043138 its reverse (83134020224211), we get a palindrome (94376222267349).

The spelling of 11242202043138 in words is "eleven trillion, two hundred forty-two billion, two hundred two million, forty-three thousand, one hundred thirty-eight".