143104022221 has 2 divisors, whose sum is σ = 143104022222. Its totient is φ = 143104022220.

The previous prime is 143104022219. The next prime is 143104022261. The reversal of 143104022221 is 122220401341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142151620900 + 952401321 = 377030^2 + 30861^2 .

It is a cyclic number.

It is not a de Polignac number, because 143104022221 - 2¹ = 143104022219 is a prime.

It is a super-2 number, since 2×143104022221² (a number of 23 digits) contains 22 as substring.

Together with 143104022219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 143104022192 and 143104022201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143104022261) 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 as a sum of consecutive naturals, namely, 71552011110 + 71552011111.

It is an arithmetic number, because the mean of its divisors is an integer number (71552011111).

Almost surely, 2^143104022221 is an apocalyptic number.

It is an amenable number.

143104022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

143104022221 is an equidigital number, since it uses as much as digits as its factorization.

143104022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 143104022221 its reverse (122220401341), we get a palindrome (265324423562).

The spelling of 143104022221 in words is "one hundred forty-three billion, one hundred four million, twenty-two thousand, two hundred twenty-one".