421321120041 has 32 divisors (see below), whose sum is σ = 596549249280. Its totient is φ = 263957151744.

The previous prime is 421321120037. The next prime is 421321120127. The reversal of 421321120041 is 140021123124.

It is not a de Polignac number, because 421321120041 - 2² = 421321120037 is a prime.

It is a super-2 number, since 2×421321120041² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421321120841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745641 + ... + 1182633.

It is an arithmetic number, because the mean of its divisors is an integer number (18642164040).

Almost surely, 2^421321120041 is an apocalyptic number.

It is an amenable number.

421321120041 is a deficient number, since it is larger than the sum of its proper divisors (175228129239).

421321120041 is a wasteful number, since it uses less digits than its factorization.

421321120041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437265.

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

Adding to 421321120041 its reverse (140021123124), we get a palindrome (561342243165).

The spelling of 421321120041 in words is "four hundred twenty-one billion, three hundred twenty-one million, one hundred twenty thousand, forty-one".