100921101 has 8 divisors (see below), whose sum is σ = 134610720. Its totient is φ = 67256112.

The previous prime is 100921099. The next prime is 100921147. The reversal of 100921101 is 101129001.

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

It is not a de Polignac number, because 100921101 - 2¹ = 100921099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100921181) 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, 8170 + ... + 16388.

It is an arithmetic number, because the mean of its divisors is an integer number (16826340).

Almost surely, 2^100921101 is an apocalyptic number.

It is an amenable number.

100921101 is a deficient number, since it is larger than the sum of its proper divisors (33689619).

100921101 is an equidigital number, since it uses as much as digits as its factorization.

100921101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12315.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 100921101 is about 10045.9494822540. The cubic root of 100921101 is about 465.5796540439.

The spelling of 100921101 in words is "one hundred million, nine hundred twenty-one thousand, one hundred one".