2110101100221 has 8 divisors (see below), whose sum is σ = 2813612573440. Its totient is φ = 1406661846912.

The previous prime is 2110101100181. The next prime is 2110101100223. The reversal of 2110101100221 is 1220011010112.

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

It is not a de Polignac number, because 2110101100221 - 2⁹ = 2110101099709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110101100197 and 2110101100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110101100223) 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, 17986765 + ... + 18103698.

It is an arithmetic number, because the mean of its divisors is an integer number (351701571680).

Almost surely, 2^{2110101100221} is an apocalyptic number.

It is an amenable number.

2110101100221 is a deficient number, since it is larger than the sum of its proper divisors (703511473219).

2110101100221 is a wasteful number, since it uses less digits than its factorization.

2110101100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36109955.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2110101100221 its reverse (1220011010112), we get a palindrome (3330112110333).

The spelling of 2110101100221 in words is "two trillion, one hundred ten billion, one hundred one million, one hundred thousand, two hundred twenty-one".