42203320222021 has 12 divisors (see below), whose sum is σ = 49112303889132. Its totient is φ = 36160535560128.

The previous prime is 42203320221991. The next prime is 42203320222079. The reversal of 42203320222021 is 12022202330224.

It can be written as a sum of positive squares in 2 ways, for example, as 9929116102500 + 32274204119521 = 3151050^2 + 5681039^2 .

It is not a de Polignac number, because 42203320222021 - 2⁷ = 42203320221893 is a prime.

It is a super-2 number, since 2×42203320222021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203320222081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163428190 + ... + 163686223.

It is an arithmetic number, because the mean of its divisors is an integer number (4092691990761).

Almost surely, 2^{42203320222021} is an apocalyptic number.

It is an amenable number.

42203320222021 is a deficient number, since it is larger than the sum of its proper divisors (6908983667111).

42203320222021 is a wasteful number, since it uses less digits than its factorization.

42203320222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327117060 (or 327117053 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42203320222021 its reverse (12022202330224), we get a palindrome (54225522552245).

The spelling of 42203320222021 in words is "forty-two trillion, two hundred three billion, three hundred twenty million, two hundred twenty-two thousand, twenty-one".