2100110101 has 4 divisors (see below), whose sum is σ = 2106735372. Its totient is φ = 2093484832.

The previous prime is 2100110087. The next prime is 2100110119. The reversal of 2100110101 is 1010110012.

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 1244255076 + 855855025 = 35274^2 + 29255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100110101 - 2¹³ = 2100101909 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 (2100110141) 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, 3312160 + ... + 3312793.

It is an arithmetic number, because the mean of its divisors is an integer number (526683843).

Almost surely, 2^2100110101 is an apocalyptic number.

It is an amenable number.

2100110101 is a deficient number, since it is larger than the sum of its proper divisors (6625271).

2100110101 is an equidigital number, since it uses as much as digits as its factorization.

2100110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625270.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 2100110101 is about 45826.9582342097. The cubic root of 2100110101 is about 1280.6015444451.

Adding to 2100110101 its reverse (1010110012), we get a palindrome (3110220113).

The spelling of 2100110101 in words is "two billion, one hundred million, one hundred ten thousand, one hundred one".