2100227221 has 8 divisors (see below), whose sum is σ = 2192137920. Its totient is φ = 2008366272.

The previous prime is 2100227203. The next prime is 2100227257. The reversal of 2100227221 is 1227220012.

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 2100227221 - 2¹⁹ = 2099702933 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 (2100227281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92925 + ... + 113293.

It is an arithmetic number, because the mean of its divisors is an integer number (274017240).

Almost surely, 2^2100227221 is an apocalyptic number.

It is an amenable number.

2100227221 is a deficient number, since it is larger than the sum of its proper divisors (91910699).

2100227221 is a wasteful number, since it uses less digits than its factorization.

2100227221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24875.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2100227221 is about 45828.2360668617. The cubic root of 2100227221 is about 1280.6253497469.

Adding to 2100227221 its reverse (1227220012), we get a palindrome (3327447233).

The spelling of 2100227221 in words is "two billion, one hundred million, two hundred twenty-seven thousand, two hundred twenty-one".