99910021020001 has 8 divisors (see below), whose sum is σ = 103133483974400. Its totient is φ = 96686593006320.

The previous prime is 99910021019987. The next prime is 99910021020049. The reversal of 99910021020001 is 10002012001999.

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 99910021020001 - 2³⁷ = 99772582066529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99910021020071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861391 + ... + 14422468.

It is an arithmetic number, because the mean of its divisors is an integer number (12891685496800).

Almost surely, 2^{99910021020001} is an apocalyptic number.

It is an amenable number.

99910021020001 is a deficient number, since it is larger than the sum of its proper divisors (3223462954399).

99910021020001 is a wasteful number, since it uses less digits than its factorization.

99910021020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17470359.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 99910021020001 in words is "ninety-nine trillion, nine hundred ten billion, twenty-one million, twenty thousand, one".