11122200242 has 4 divisors (see below), whose sum is σ = 16683300366. Its totient is φ = 5561100120.

The previous prime is 11122200233. The next prime is 11122200247. The reversal of 11122200242 is 24200222111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5890716001 + 5231484241 = 76751^2 + 72329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11122200242.

It is not an unprimeable number, because it can be changed into a prime (11122200247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780550059 + ... + 2780550062.

Almost surely, 2^11122200242 is an apocalyptic number.

11122200242 is a deficient number, since it is larger than the sum of its proper divisors (5561100124).

11122200242 is an equidigital number, since it uses as much as digits as its factorization.

11122200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5561100123.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11122200242 its reverse (24200222111), we get a palindrome (35322422353).

The spelling of 11122200242 in words is "eleven billion, one hundred twenty-two million, two hundred thousand, two hundred forty-two".