220021101000097 has 2 divisors, whose sum is σ = 220021101000098. Its totient is φ = 220021101000096.

The previous prime is 220021101000089. The next prime is 220021101000167. The reversal of 220021101000097 is 790000101120022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113404097546496 + 106617003453601 = 10649136^2 + 10325551^2 .

It is a cyclic number.

It is not a de Polignac number, because 220021101000097 - 2³ = 220021101000089 is a prime.

It is not a weakly prime, because it can be changed into another prime (220021101000697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010550500048 + 110010550500049.

It is an arithmetic number, because the mean of its divisors is an integer number (110010550500049).

Almost surely, 2^{220021101000097} is an apocalyptic number.

It is an amenable number.

220021101000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021101000097 is an equidigital number, since it uses as much as digits as its factorization.

220021101000097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 220021101000097 in words is "two hundred twenty trillion, twenty-one billion, one hundred one million, ninety-seven", and thus it is an aban number.