2100210101101 has 16 divisors (see below), whose sum is σ = 2629066256640. Its totient is φ = 1635863443200.

The previous prime is 2100210101083. The next prime is 2100210101137. The reversal of 2100210101101 is 1011010120012.

It is not a de Polignac number, because 2100210101101 - 2¹⁹ = 2100209576813 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 (2100210101141) 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, 304286625 + ... + 304293526.

It is an arithmetic number, because the mean of its divisors is an integer number (164316641040).

Almost surely, 2^{2100210101101} is an apocalyptic number.

It is an amenable number.

2100210101101 is a deficient number, since it is larger than the sum of its proper divisors (528856155539).

2100210101101 is a wasteful number, since it uses less digits than its factorization.

2100210101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608580204.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100210101101 its reverse (1011010120012), we get a palindrome (3111220221113).

The spelling of 2100210101101 in words is "two trillion, one hundred billion, two hundred ten million, one hundred one thousand, one hundred one".