89001120221 has 16 divisors (see below), whose sum is σ = 101542618800. Its totient is φ = 77278675968.

The previous prime is 89001120161. The next prime is 89001120233. The reversal of 89001120221 is 12202110098.

It can be written as a sum of positive squares in 8 ways, for example, as 289476196 + 88711644025 = 17014^2 + 297845^2 .

It is not a de Polignac number, because 89001120221 - 2⁶ = 89001120157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89001120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282815 + ... + 507923.

It is an arithmetic number, because the mean of its divisors is an integer number (6346413675).

Almost surely, 2^89001120221 is an apocalyptic number.

It is an amenable number.

89001120221 is a deficient number, since it is larger than the sum of its proper divisors (12541498579).

89001120221 is a wasteful number, since it uses less digits than its factorization.

89001120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226928.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 89001120221 in words is "eighty-nine billion, one million, one hundred twenty thousand, two hundred twenty-one".