99999990101001 has 8 divisors (see below), whose sum is σ = 133333695115200. Its totient is φ = 66666472577072.

The previous prime is 99999990100987. The next prime is 99999990101009. The reversal of 99999990101001 is 10010109999999.

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 99999990101001 - 2¹⁵ = 99999990068233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99999990101009) 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, 45623301 + ... + 47764898.

It is an arithmetic number, because the mean of its divisors is an integer number (16666711889400).

Almost surely, 2^{99999990101001} is an apocalyptic number.

It is an amenable number.

99999990101001 is a deficient number, since it is larger than the sum of its proper divisors (33333705014199).

99999990101001 is a wasteful number, since it uses less digits than its factorization.

99999990101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93745135.

The product of its (nonzero) digits is 4782969, while the sum is 66.

The spelling of 99999990101001 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety million, one hundred one thousand, one".