421220331411 has 16 divisors (see below), whose sum is σ = 616106943360. Its totient is φ = 253858872320.

The previous prime is 421220331407. The next prime is 421220331481. The reversal of 421220331411 is 114133022124.

It is a cyclic number.

It is not a de Polignac number, because 421220331411 - 2² = 421220331407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421220331481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35648430 + ... + 35660243.

It is an arithmetic number, because the mean of its divisors is an integer number (38506683960).

Almost surely, 2^421220331411 is an apocalyptic number.

421220331411 is a deficient number, since it is larger than the sum of its proper divisors (194886611949).

421220331411 is a wasteful number, since it uses less digits than its factorization.

421220331411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71308866.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 421220331411 its reverse (114133022124), we get a palindrome (535353353535).

The spelling of 421220331411 in words is "four hundred twenty-one billion, two hundred twenty million, three hundred thirty-one thousand, four hundred eleven".