202121002002011 has 2 divisors, whose sum is σ = 202121002002012. Its totient is φ = 202121002002010.

The previous prime is 202121002001987. The next prime is 202121002002019. The reversal of 202121002002011 is 110200200121202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202121002002011 is a prime.

It is not a weakly prime, because it can be changed into another prime (202121002002019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060501001005 + 101060501001006.

It is an arithmetic number, because the mean of its divisors is an integer number (101060501001006).

Almost surely, 2^{202121002002011} is an apocalyptic number.

202121002002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202121002002011 is an equidigital number, since it uses as much as digits as its factorization.

202121002002011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202121002002011 its reverse (110200200121202), we get a palindrome (312321202123213).

The spelling of 202121002002011 in words is "two hundred two trillion, one hundred twenty-one billion, two million, two thousand, eleven".