320122111442 has 64 divisors (see below), whose sum is σ = 572151444480. Its totient is φ = 131429438784.

The previous prime is 320122111381. The next prime is 320122111459. The reversal of 320122111442 is 244111221023.

It is an unprimeable number.

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, 42548693 + ... + 42556215.

It is an arithmetic number, because the mean of its divisors is an integer number (8939866320).

Almost surely, 2^320122111442 is an apocalyptic number.

320122111442 is a deficient number, since it is larger than the sum of its proper divisors (252029333038).

320122111442 is a wasteful number, since it uses less digits than its factorization.

320122111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 320122111442 its reverse (244111221023), we get a palindrome (564233332465).

The spelling of 320122111442 in words is "three hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, four hundred forty-two".