200131002301221 has 6 divisors (see below), whose sum is σ = 289078114435110. Its totient is φ = 133420668200808.

The previous prime is 200131002301193. The next prime is 200131002301271. The reversal of 200131002301221 is 122103200131002.

200131002301221 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 310 + 0 + 230 + 122 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 134544085270596 + 65586917030625 = 11599314^2 + 8098575^2 .

It is not a de Polignac number, because 200131002301221 - 2⁶ = 200131002301157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200131002301194 and 200131002301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131002301271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11118389016726 + ... + 11118389016743.

It is an arithmetic number, because the mean of its divisors is an integer number (48179685739185).

Almost surely, 2^{200131002301221} is an apocalyptic number.

It is an amenable number.

200131002301221 is a deficient number, since it is larger than the sum of its proper divisors (88947112133889).

200131002301221 is a wasteful number, since it uses less digits than its factorization.

200131002301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22236778033475 (or 22236778033472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 200131002301221 its reverse (122103200131002), we get a palindrome (322234202432223).

The spelling of 200131002301221 in words is "two hundred trillion, one hundred thirty-one billion, two million, three hundred one thousand, two hundred twenty-one".