2100001110201 has 6 divisors (see below), whose sum is σ = 3033334936970. Its totient is φ = 1400000740128.

The previous prime is 2100001110197. The next prime is 2100001110211. The reversal of 2100001110201 is 1020111000012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1537649600400 + 562351509801 = 1240020^2 + 749901^2 .

It is not a de Polignac number, because 2100001110201 - 2² = 2100001110197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 233333456689 = 2100001110201 / (2 + 1 + 0 + 0 + 0 + 0 + 1 + 1 + 1 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100001110211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116666728336 + ... + 116666728353.

Almost surely, 2^{2100001110201} is an apocalyptic number.

It is an amenable number.

2100001110201 is a deficient number, since it is larger than the sum of its proper divisors (933333826769).

2100001110201 is a wasteful number, since it uses less digits than its factorization.

2100001110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233333456695 (or 233333456692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2100001110201 its reverse (1020111000012), we get a palindrome (3120112110213).

It can be divided in two parts, 210000 and 1110201, that added together give a square (1320201 = 1149²).

The spelling of 2100001110201 in words is "two trillion, one hundred billion, one million, one hundred ten thousand, two hundred one".