202012221021067 has 2 divisors, whose sum is σ = 202012221021068. Its totient is φ = 202012221021066.

The previous prime is 202012221021059. The next prime is 202012221021137. The reversal of 202012221021067 is 760120122210202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202012221021067 - 2³ = 202012221021059 is a prime.

It is not a weakly prime, because it can be changed into another prime (202012221021967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006110510533 + 101006110510534.

It is an arithmetic number, because the mean of its divisors is an integer number (101006110510534).

Almost surely, 2^{202012221021067} is an apocalyptic number.

202012221021067 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012221021067 is an equidigital number, since it uses as much as digits as its factorization.

202012221021067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 202012221021067 its reverse (760120122210202), we get a palindrome (962132343231269).

The spelling of 202012221021067 in words is "two hundred two trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, sixty-seven".