203221010232011 has 2 divisors, whose sum is σ = 203221010232012. Its totient is φ = 203221010232010.

The previous prime is 203221010231971. The next prime is 203221010232043. The reversal of 203221010232011 is 110232010122302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203221010232011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (203221010232061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610505116005 + 101610505116006.

It is an arithmetic number, because the mean of its divisors is an integer number (101610505116006).

Almost surely, 2^{203221010232011} is an apocalyptic number.

203221010232011 is a deficient number, since it is larger than the sum of its proper divisors (1).

203221010232011 is an equidigital number, since it uses as much as digits as its factorization.

203221010232011 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 20.

Adding to 203221010232011 its reverse (110232010122302), we get a palindrome (313453020354313).

The spelling of 203221010232011 in words is "two hundred three trillion, two hundred twenty-one billion, ten million, two hundred thirty-two thousand, eleven".