2101441111 has 32 divisors (see below), whose sum is σ = 2833201152. Its totient is φ = 1508328960.

The previous prime is 2101441099. The next prime is 2101441117. The reversal of 2101441111 is 1111441012.

It is a cyclic number.

It is not a de Polignac number, because 2101441111 - 2⁹ = 2101440599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101441117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44445 + ... + 78601.

It is an arithmetic number, because the mean of its divisors is an integer number (88537536).

Almost surely, 2^2101441111 is an apocalyptic number.

2101441111 is a deficient number, since it is larger than the sum of its proper divisors (731760041).

2101441111 is a wasteful number, since it uses less digits than its factorization.

2101441111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34239.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 2101441111 is about 45841.4780629944. The cubic root of 2101441111 is about 1280.8720276443.

Adding to 2101441111 its reverse (1111441012), we get a palindrome (3212882123).

Subtracting from 2101441111 its reverse (1111441012), we obtain a palindrome (990000099).

The spelling of 2101441111 in words is "two billion, one hundred one million, four hundred forty-one thousand, one hundred eleven".