11211243242 has 8 divisors (see below), whose sum is σ = 16831328256. Its totient is φ = 5600800492.

The previous prime is 11211243203. The next prime is 11211243247. The reversal of 11211243242 is 24234211211.

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

It is not an unprimeable number, because it can be changed into a prime (11211243247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407658 + ... + 2412309.

It is an arithmetic number, because the mean of its divisors is an integer number (2103916032).

Almost surely, 2^11211243242 is an apocalyptic number.

11211243242 is a deficient number, since it is larger than the sum of its proper divisors (5620085014).

11211243242 is a wasteful number, since it uses less digits than its factorization.

11211243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821132.

The product of its digits is 768, while the sum is 23.

Adding to 11211243242 its reverse (24234211211), we get a palindrome (35445454453).

The spelling of 11211243242 in words is "eleven billion, two hundred eleven million, two hundred forty-three thousand, two hundred forty-two".