200132123221 has 2 divisors, whose sum is σ = 200132123222. Its totient is φ = 200132123220.

The previous prime is 200132123173. The next prime is 200132123273. The reversal of 200132123221 is 122321231002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170094380625 + 30037742596 = 412425^2 + 173314^2 .

It is a cyclic number.

It is not a de Polignac number, because 200132123221 - 2⁹ = 200132122709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200132123021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100066061610 + 100066061611.

It is an arithmetic number, because the mean of its divisors is an integer number (100066061611).

Almost surely, 2^200132123221 is an apocalyptic number.

It is an amenable number.

200132123221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200132123221 is an equidigital number, since it uses as much as digits as its factorization.

200132123221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200132123221 its reverse (122321231002), we get a palindrome (322453354223).

The spelling of 200132123221 in words is "two hundred billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-one".