11131122242 has 8 divisors (see below), whose sum is σ = 16705247232. Its totient is φ = 5562706500.

The previous prime is 11131122239. The next prime is 11131122263. The reversal of 11131122242 is 24222113111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422434 + ... + 1430237.

It is an arithmetic number, because the mean of its divisors is an integer number (2088155904).

Almost surely, 2^11131122242 is an apocalyptic number.

11131122242 is a deficient number, since it is larger than the sum of its proper divisors (5574124990).

11131122242 is a wasteful number, since it uses less digits than its factorization.

11131122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854624.

The product of its digits is 192, while the sum is 20.

Adding to 11131122242 its reverse (24222113111), we get a palindrome (35353235353).

The spelling of 11131122242 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, two hundred forty-two".