420441032101321 has 32 divisors (see below), whose sum is σ = 528198608931840. Its totient is φ = 325108750574400.

The previous prime is 420441032101319. The next prime is 420441032101327. The reversal of 420441032101321 is 123101230144024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420441032101321 - 2¹ = 420441032101319 is a prime.

It is a super-2 number, since 2×420441032101321² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420441032101321.

It is not an unprimeable number, because it can be changed into a prime (420441032101327) 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, 516017070 + ... + 516831208.

It is an arithmetic number, because the mean of its divisors is an integer number (16506206529120).

Almost surely, 2^{420441032101321} is an apocalyptic number.

It is an amenable number.

420441032101321 is a deficient number, since it is larger than the sum of its proper divisors (107757576830519).

420441032101321 is a wasteful number, since it uses less digits than its factorization.

420441032101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865485.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 420441032101321 its reverse (123101230144024), we get a palindrome (543542262245345).

The spelling of 420441032101321 in words is "four hundred twenty trillion, four hundred forty-one billion, thirty-two million, one hundred one thousand, three hundred twenty-one".