89122211221 has 8 divisors (see below), whose sum is σ = 94474563840. Its totient is φ = 83782066368.

The previous prime is 89122211203. The next prime is 89122211239. The reversal of 89122211221 is 12211222198.

It is an interprime number because it is at equal distance from previous prime (89122211203) and next prime (89122211239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89122211221 - 2¹¹ = 89122209173 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 (89122211201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036901 + ... + 3066106.

It is an arithmetic number, because the mean of its divisors is an integer number (11809320480).

Almost surely, 2^89122211221 is an apocalyptic number.

It is an amenable number.

89122211221 is a deficient number, since it is larger than the sum of its proper divisors (5352352619).

89122211221 is a wasteful number, since it uses less digits than its factorization.

89122211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103883.

The product of its digits is 2304, while the sum is 31.

The spelling of 89122211221 in words is "eighty-nine billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty-one".