200421122441231 has 2 divisors, whose sum is σ = 200421122441232. Its totient is φ = 200421122441230.

The previous prime is 200421122441209. The next prime is 200421122441261. The reversal of 200421122441231 is 132144221124002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200421122441231 - 2²⁶ = 200421055332367 is a prime.

It is a super-2 number, since 2×200421122441231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200421122441194 and 200421122441203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200421122441261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210561220615 + 100210561220616.

It is an arithmetic number, because the mean of its divisors is an integer number (100210561220616).

Almost surely, 2^{200421122441231} is an apocalyptic number.

200421122441231 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421122441231 is an equidigital number, since it uses as much as digits as its factorization.

200421122441231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 200421122441231 its reverse (132144221124002), we get a palindrome (332565343565233).

The spelling of 200421122441231 in words is "two hundred trillion, four hundred twenty-one billion, one hundred twenty-two million, four hundred forty-one thousand, two hundred thirty-one".