421022200443143 has 16 divisors (see below), whose sum is σ = 453874834667520. Its totient is φ = 388236190933344.

The previous prime is 421022200443139. The next prime is 421022200443203. The reversal of 421022200443143 is 341344002220124.

It is a happy number.

It is not a de Polignac number, because 421022200443143 - 2² = 421022200443139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421022200443113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986044528 + ... + 1986256506.

It is an arithmetic number, because the mean of its divisors is an integer number (28367177166720).

Almost surely, 2^{421022200443143} is an apocalyptic number.

421022200443143 is a deficient number, since it is larger than the sum of its proper divisors (32852634224377).

421022200443143 is a wasteful number, since it uses less digits than its factorization.

421022200443143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368398.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 421022200443143 its reverse (341344002220124), we get a palindrome (762366202663267).

The spelling of 421022200443143 in words is "four hundred twenty-one trillion, twenty-two billion, two hundred million, four hundred forty-three thousand, one hundred forty-three".