42103421322 has 32 divisors (see below), whose sum is σ = 86505421632. Its totient is φ = 13651576704.

The previous prime is 42103421309. The next prime is 42103421323. The reversal of 42103421322 is 22312430124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42103421292 and 42103421301.

It is not an unprimeable number, because it can be changed into a prime (42103421323) 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 15 ways as a sum of consecutive naturals, for example, 899133 + ... + 944799.

It is an arithmetic number, because the mean of its divisors is an integer number (2703294426).

Almost surely, 2^42103421322 is an apocalyptic number.

42103421322 is an abundant number, since it is smaller than the sum of its proper divisors (44402000310).

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

42103421322 is a wasteful number, since it uses less digits than its factorization.

42103421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49862.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42103421322 its reverse (22312430124), we get a palindrome (64415851446).

The spelling of 42103421322 in words is "forty-two billion, one hundred three million, four hundred twenty-one thousand, three hundred twenty-two".