98900001222221 has 16 divisors (see below), whose sum is σ = 100780642195200. Its totient is φ = 97036546464000.

The previous prime is 98900001222179. The next prime is 98900001222233. The reversal of 98900001222221 is 12222210000989.

It is a cyclic number.

It is not a de Polignac number, because 98900001222221 - 2⁴² = 94501954711117 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 (98900001222521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204011921 + ... + 204496121.

It is an arithmetic number, because the mean of its divisors is an integer number (6298790137200).

Almost surely, 2^{98900001222221} is an apocalyptic number.

It is an amenable number.

98900001222221 is a deficient number, since it is larger than the sum of its proper divisors (1880640972979).

98900001222221 is a wasteful number, since it uses less digits than its factorization.

98900001222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501940.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 98900001222221 in words is "ninety-eight trillion, nine hundred billion, one million, two hundred twenty-two thousand, two hundred twenty-one".