201041233001221 has 2 divisors, whose sum is σ = 201041233001222. Its totient is φ = 201041233001220.

The previous prime is 201041233001209. The next prime is 201041233001347. The reversal of 201041233001221 is 122100332140102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158203291696321 + 42837941304900 = 12577889^2 + 6545070^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041233001221 - 2⁷ = 201041233001093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201041233001192 and 201041233001201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201041233002221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520616500610 + 100520616500611.

It is an arithmetic number, because the mean of its divisors is an integer number (100520616500611).

Almost surely, 2^{201041233001221} is an apocalyptic number.

It is an amenable number.

201041233001221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041233001221 is an equidigital number, since it uses as much as digits as its factorization.

201041233001221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201041233001221 its reverse (122100332140102), we get a palindrome (323141565141323).

The spelling of 201041233001221 in words is "two hundred one trillion, forty-one billion, two hundred thirty-three million, one thousand, two hundred twenty-one".