421122121302 has 8 divisors (see below), whose sum is σ = 842244242616. Its totient is φ = 140374040432.

The previous prime is 421122121297. The next prime is 421122121309. The reversal of 421122121302 is 203121221124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

421122121302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421122121309) 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 3 ways as a sum of consecutive naturals, for example, 35093510103 + ... + 35093510114.

It is an arithmetic number, because the mean of its divisors is an integer number (105280530327).

Almost surely, 2^421122121302 is an apocalyptic number.

421122121302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421122121302 is a wasteful number, since it uses less digits than its factorization.

421122121302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187020222.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 421122121302 its reverse (203121221124), we get a palindrome (624243342426).

The spelling of 421122121302 in words is "four hundred twenty-one billion, one hundred twenty-two million, one hundred twenty-one thousand, three hundred two".