200121100333223 has 2 divisors, whose sum is σ = 200121100333224. Its totient is φ = 200121100333222.

The previous prime is 200121100333207. The next prime is 200121100333279. The reversal of 200121100333223 is 322333001121002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200121100333223 - 2⁴ = 200121100333207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121100330223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060550166611 + 100060550166612.

It is an arithmetic number, because the mean of its divisors is an integer number (100060550166612).

Almost surely, 2^{200121100333223} is an apocalyptic number.

200121100333223 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121100333223 is an equidigital number, since it uses as much as digits as its factorization.

200121100333223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 200121100333223 its reverse (322333001121002), we get a palindrome (522454101454225).

The spelling of 200121100333223 in words is "two hundred trillion, one hundred twenty-one billion, one hundred million, three hundred thirty-three thousand, two hundred twenty-three".