2100110020221 has 8 divisors (see below), whose sum is σ = 2805992513280. Its totient is φ = 1397150436992.

The previous prime is 2100110020123. The next prime is 2100110020301. The reversal of 2100110020221 is 1220200110012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100110020221 - 2⁷ = 2100110020093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100110020197 and 2100110020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100110060221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730725780 + ... + 730728653.

It is an arithmetic number, because the mean of its divisors is an integer number (350749064160).

Almost surely, 2^{2100110020221} is an apocalyptic number.

It is an amenable number.

2100110020221 is a deficient number, since it is larger than the sum of its proper divisors (705882493059).

2100110020221 is a wasteful number, since it uses less digits than its factorization.

2100110020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461454915.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100110020221 its reverse (1220200110012), we get a palindrome (3320310130233).

The spelling of 2100110020221 in words is "two trillion, one hundred billion, one hundred ten million, twenty thousand, two hundred twenty-one".