2101110541 has 4 divisors (see below), whose sum is σ = 2109829084. Its totient is φ = 2092392000.

The previous prime is 2101110533. The next prime is 2101110551. The reversal of 2101110541 is 1450111012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1706929225 + 394181316 = 41315^2 + 19854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101110541 - 2³ = 2101110533 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 (2101110511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358910 + ... + 4359391.

It is an arithmetic number, because the mean of its divisors is an integer number (527457271).

Almost surely, 2^2101110541 is an apocalyptic number.

It is an amenable number.

2101110541 is a deficient number, since it is larger than the sum of its proper divisors (8718543).

2101110541 is an equidigital number, since it uses as much as digits as its factorization.

2101110541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8718542.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 2101110541 is about 45837.8723437290. The cubic root of 2101110541 is about 1280.8048610274.

Adding to 2101110541 its reverse (1450111012), we get a palindrome (3551221553).

The spelling of 2101110541 in words is "two billion, one hundred one million, one hundred ten thousand, five hundred forty-one".