2111303100221 has 64 divisors (see below), whose sum is σ = 2631281817600. Its totient is φ = 1653172125696.

The previous prime is 2111303100161. The next prime is 2111303100253. The reversal of 2111303100221 is 1220013031112.

It is not a de Polignac number, because 2111303100221 - 2³⁴ = 2094123231037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111303100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111303100421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214798535 + ... + 214808363.

It is an arithmetic number, because the mean of its divisors is an integer number (41113778400).

Almost surely, 2^{2111303100221} is an apocalyptic number.

It is an amenable number.

2111303100221 is a deficient number, since it is larger than the sum of its proper divisors (519978717379).

2111303100221 is a wasteful number, since it uses less digits than its factorization.

2111303100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2111303100221 its reverse (1220013031112), we get a palindrome (3331316131333).

The spelling of 2111303100221 in words is "two trillion, one hundred eleven billion, three hundred three million, one hundred thousand, two hundred twenty-one".