11203122242 has 32 divisors (see below), whose sum is σ = 18469004400. Its totient is φ = 5065555968.

The previous prime is 11203122223. The next prime is 11203122251. The reversal of 11203122242 is 24222130211.

It can be written as a sum of positive squares in 8 ways, for example, as 517972081 + 10685150161 = 22759^2 + 103369^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230018 + ... + 274434.

Almost surely, 2^11203122242 is an apocalyptic number.

11203122242 is a deficient number, since it is larger than the sum of its proper divisors (7265882158).

11203122242 is a wasteful number, since it uses less digits than its factorization.

11203122242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44630.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11203122242 its reverse (24222130211), we get a palindrome (35425252453).

The spelling of 11203122242 in words is "eleven billion, two hundred three million, one hundred twenty-two thousand, two hundred forty-two".