201141031921 has 2 divisors, whose sum is σ = 201141031922. Its totient is φ = 201141031920.

The previous prime is 201141031867. The next prime is 201141031961. The reversal of 201141031921 is 129130141102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125768820321 + 75372211600 = 354639^2 + 274540^2 .

It is a cyclic number.

It is not a de Polignac number, because 201141031921 - 2¹³ = 201141023729 is a prime.

It is not a weakly prime, because it can be changed into another prime (201141031961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100570515960 + 100570515961.

It is an arithmetic number, because the mean of its divisors is an integer number (100570515961).

Almost surely, 2^201141031921 is an apocalyptic number.

It is an amenable number.

201141031921 is a deficient number, since it is larger than the sum of its proper divisors (1).

201141031921 is an equidigital number, since it uses as much as digits as its factorization.

201141031921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 201141031921 in words is "two hundred one billion, one hundred forty-one million, thirty-one thousand, nine hundred twenty-one".