3111221030242 has 16 divisors (see below), whose sum is σ = 5148399530232. Its totient is φ = 1400925041280.

The previous prime is 3111221030219. The next prime is 3111221030261. The reversal of 3111221030242 is 2420301221113.

3111221030242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1585133878441 + 1526087151801 = 1259021^2 + 1235349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459295853 + ... + 1459297984.

Almost surely, 2^{3111221030242} is an apocalyptic number.

3111221030242 is a deficient number, since it is larger than the sum of its proper divisors (2037178499990).

3111221030242 is a wasteful number, since it uses less digits than its factorization.

3111221030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918593893.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3111221030242 its reverse (2420301221113), we get a palindrome (5531522251355).

The spelling of 3111221030242 in words is "three trillion, one hundred eleven billion, two hundred twenty-one million, thirty thousand, two hundred forty-two".