4322421302121 has 36 divisors (see below), whose sum is σ = 6764293727100. Its totient is φ = 2658541676544.

The previous prime is 4322421302053. The next prime is 4322421302201. The reversal of 4322421302121 is 1212031242234.

4322421302121 is a `hidden beast` number, since 4 + 3 + 22 + 421 + 3 + 0 + 212 + 1 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 965424153600 + 3356997148521 = 982560^2 + 1832211^2 .

It is not a de Polignac number, because 4322421302121 - 2⁹ = 4322421301609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4322421302021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2120965 + ... + 3625373.

It is an arithmetic number, because the mean of its divisors is an integer number (187897047975).

Almost surely, 2^{4322421302121} is an apocalyptic number.

It is an amenable number.

4322421302121 is a deficient number, since it is larger than the sum of its proper divisors (2441872424979).

4322421302121 is a wasteful number, since it uses less digits than its factorization.

4322421302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506330 (or 1506314 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4322421302121 its reverse (1212031242234), we get a palindrome (5534452544355).

The spelling of 4322421302121 in words is "four trillion, three hundred twenty-two billion, four hundred twenty-one million, three hundred two thousand, one hundred twenty-one".