11221002042 has 16 divisors (see below), whose sum is σ = 23417743680. Its totient is φ = 3577710752.

The previous prime is 11221002011. The next prime is 11221002047. The reversal of 11221002042 is 24020012211.

It is not an unprimeable number, because it can be changed into a prime (11221002047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40655667 + ... + 40655942.

It is an arithmetic number, because the mean of its divisors is an integer number (1463608980).

Almost surely, 2^11221002042 is an apocalyptic number.

11221002042 is an abundant number, since it is smaller than the sum of its proper divisors (12196741638).

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

11221002042 is a wasteful number, since it uses less digits than its factorization.

11221002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81311637.

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

Adding to 11221002042 its reverse (24020012211), we get a palindrome (35241014253).

The spelling of 11221002042 in words is "eleven billion, two hundred twenty-one million, two thousand, forty-two".