2102001101 has 4 divisors (see below), whose sum is σ = 2103240000. Its totient is φ = 2100762204.

The previous prime is 2102001067. The next prime is 2102001137. The reversal of 2102001101 is 1011002012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2102001101 - 2³⁰ = 1028259277 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 (2102000101) 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, 616901 + ... + 620298.

It is an arithmetic number, because the mean of its divisors is an integer number (525810000).

Almost surely, 2^2102001101 is an apocalyptic number.

It is an amenable number.

2102001101 is a deficient number, since it is larger than the sum of its proper divisors (1238899).

2102001101 is a wasteful number, since it uses less digits than its factorization.

2102001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238898.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2102001101 is about 45847.5855525675. The cubic root of 2102001101 is about 1280.9857927203.

Adding to 2102001101 its reverse (1011002012), we get a palindrome (3113003113).

The spelling of 2102001101 in words is "two billion, one hundred two million, one thousand, one hundred one".