98216121 has 4 divisors (see below), whose sum is σ = 130954832. Its totient is φ = 65477412.

The previous prime is 98216117. The next prime is 98216159. The reversal of 98216121 is 12161289.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 98216121 - 2² = 98216117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98216101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16369351 + ... + 16369356.

It is an arithmetic number, because the mean of its divisors is an integer number (32738708).

Almost surely, 2^98216121 is an apocalyptic number.

It is an amenable number.

98216121 is a deficient number, since it is larger than the sum of its proper divisors (32738711).

98216121 is a wasteful number, since it uses less digits than its factorization.

98216121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32738710.

The product of its digits is 1728, while the sum is 30.

The square root of 98216121 is about 9910.4046839672. The cubic root of 98216121 is about 461.3822960528.

The spelling of 98216121 in words is "ninety-eight million, two hundred sixteen thousand, one hundred twenty-one".