109901001 has 8 divisors (see below), whose sum is σ = 167468224. Its totient is φ = 62800560.

The previous prime is 109900979. The next prime is 109901003. The reversal of 109901001 is 100109901.

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

It is not a de Polignac number, because 109901001 - 2¹¹ = 109898953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5233381 = 109901001 / (1 + 0 + 9 + 9 + 0 + 1 + 0 + 0 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109901003) 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, 2616670 + ... + 2616711.

It is an arithmetic number, because the mean of its divisors is an integer number (20933528).

Almost surely, 2^109901001 is an apocalyptic number.

It is an amenable number.

109901001 is a deficient number, since it is larger than the sum of its proper divisors (57567223).

109901001 is an equidigital number, since it uses as much as digits as its factorization.

109901001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233391.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 109901001 is about 10483.3678271823. The cubic root of 109901001 is about 478.9982014190.

The spelling of 109901001 in words is "one hundred nine million, nine hundred one thousand, one".