100921091001 has 8 divisors (see below), whose sum is σ = 134563866624. Its totient is φ = 67279521360.

The previous prime is 100921090979. The next prime is 100921091003. The reversal of 100921091001 is 100190129001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100921091001 - 2⁷ = 100921090873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100921091003) 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, 83770 + ... + 457011.

It is an arithmetic number, because the mean of its divisors is an integer number (16820483328).

Almost surely, 2^100921091001 is an apocalyptic number.

It is an amenable number.

100921091001 is a deficient number, since it is larger than the sum of its proper divisors (33642775623).

100921091001 is an equidigital number, since it uses as much as digits as its factorization.

100921091001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602991.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 100921091001 in words is "one hundred billion, nine hundred twenty-one million, ninety-one thousand, one".