204214301133421 has 2 divisors, whose sum is σ = 204214301133422. Its totient is φ = 204214301133420.

The previous prime is 204214301133413. The next prime is 204214301133467. The reversal of 204214301133421 is 124331103412402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202335290740521 + 1879010392900 = 14224461^2 + 1370770^2 .

It is a cyclic number.

It is not a de Polignac number, because 204214301133421 - 2³ = 204214301133413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204214301133481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102107150566710 + 102107150566711.

It is an arithmetic number, because the mean of its divisors is an integer number (102107150566711).

Almost surely, 2^{204214301133421} is an apocalyptic number.

It is an amenable number.

204214301133421 is a deficient number, since it is larger than the sum of its proper divisors (1).

204214301133421 is an equidigital number, since it uses as much as digits as its factorization.

204214301133421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 204214301133421 its reverse (124331103412402), we get a palindrome (328545404545823).

The spelling of 204214301133421 in words is "two hundred four trillion, two hundred fourteen billion, three hundred one million, one hundred thirty-three thousand, four hundred twenty-one".