89221240334021 has 2 divisors, whose sum is σ = 89221240334022. Its totient is φ = 89221240334020.

The previous prime is 89221240334011. The next prime is 89221240334101. The reversal of 89221240334021 is 12043304212298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79425348168100 + 9795892165921 = 8912090^2 + 3129839^2 .

It is a cyclic number.

It is not a de Polignac number, because 89221240334021 - 2¹⁰ = 89221240332997 is a prime.

It is a super-2 number, since 2×89221240334021² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 89221240334021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89221240334011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44610620167010 + 44610620167011.

It is an arithmetic number, because the mean of its divisors is an integer number (44610620167011).

Almost surely, 2^{89221240334021} is an apocalyptic number.

It is an amenable number.

89221240334021 is a deficient number, since it is larger than the sum of its proper divisors (1).

89221240334021 is an equidigital number, since it uses as much as digits as its factorization.

89221240334021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 89221240334021 in words is "eighty-nine trillion, two hundred twenty-one billion, two hundred forty million, three hundred thirty-four thousand, twenty-one".