11020021242 has 64 divisors (see below), whose sum is σ = 23369472000. Its totient is φ = 3454705728.

The previous prime is 11020021241. The next prime is 11020021249. The reversal of 11020021242 is 24212002011.

11020021242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11020021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11990859 + ... + 11991777.

It is an arithmetic number, because the mean of its divisors is an integer number (365148000).

Almost surely, 2^11020021242 is an apocalyptic number.

11020021242 is an abundant number, since it is smaller than the sum of its proper divisors (12349450758).

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

11020021242 is a wasteful number, since it uses less digits than its factorization.

11020021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11020021242 its reverse (24212002011), we get a palindrome (35232023253).

The spelling of 11020021242 in words is "eleven billion, twenty million, twenty-one thousand, two hundred forty-two".