2109901101 has 16 divisors (see below), whose sum is σ = 3507368448. Its totient is φ = 1096052400.

The previous prime is 2109901097. The next prime is 2109901109. The reversal of 2109901101 is 1011099012.

2109901101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2109901101 - 2² = 2109901097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109901109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4566655 + ... + 4567116.

It is an arithmetic number, because the mean of its divisors is an integer number (219210528).

Almost surely, 2^2109901101 is an apocalyptic number.

2109901101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2109901101 is a deficient number, since it is larger than the sum of its proper divisors (1397467347).

2109901101 is a wasteful number, since it uses less digits than its factorization.

2109901101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9133792.

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

The square root of 2109901101 is about 45933.6597823426. The cubic root of 2109901101 is about 1282.5885727808.

The spelling of 2109901101 in words is "two billion, one hundred nine million, nine hundred one thousand, one hundred one".