98020211120021 has 2 divisors, whose sum is σ = 98020211120022. Its totient is φ = 98020211120020.

The previous prime is 98020211119969. The next prime is 98020211120063. The reversal of 98020211120021 is 12002111202089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72137605744996 + 25882605375025 = 8493386^2 + 5087495^2 .

It is an emirp because it is prime and its reverse (12002111202089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98020211120021 - 2¹⁰ = 98020211118997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98020211120921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49010105560010 + 49010105560011.

It is an arithmetic number, because the mean of its divisors is an integer number (49010105560011).

Almost surely, 2^{98020211120021} is an apocalyptic number.

It is an amenable number.

98020211120021 is a deficient number, since it is larger than the sum of its proper divisors (1).

98020211120021 is an equidigital number, since it uses as much as digits as its factorization.

98020211120021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 98020211120021 in words is "ninety-eight trillion, twenty billion, two hundred eleven million, one hundred twenty thousand, twenty-one".