98991001022201 has 16 divisors (see below), whose sum is σ = 107794949040000. Its totient is φ = 90546487871616.

The previous prime is 98991001022161. The next prime is 98991001022231. The reversal of 98991001022201 is 10222010019989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98991001022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98991001022231) 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, 89837885 + ... + 90933093.

It is an arithmetic number, because the mean of its divisors is an integer number (6737184315000).

Almost surely, 2^{98991001022201} is an apocalyptic number.

It is an amenable number.

98991001022201 is a deficient number, since it is larger than the sum of its proper divisors (8803948017799).

98991001022201 is a wasteful number, since it uses less digits than its factorization.

98991001022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259296.

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 98991001022201 in words is "ninety-eight trillion, nine hundred ninety-one billion, one million, twenty-two thousand, two hundred one".