2221100211 has 16 divisors (see below), whose sum is σ = 3231790848. Its totient is φ = 1345663200.

The previous prime is 2221100207. The next prime is 2221100221. The reversal of 2221100211 is 1120011222.

It is not a de Polignac number, because 2221100211 - 2² = 2221100207 is a prime.

It is a super-2 number, since 2×2221100211² = 9866572294608489042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221100221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104490 + ... + 123936.

It is an arithmetic number, because the mean of its divisors is an integer number (201986928).

Almost surely, 2^2221100211 is an apocalyptic number.

2221100211 is a deficient number, since it is larger than the sum of its proper divisors (1010690637).

2221100211 is a wasteful number, since it uses less digits than its factorization.

2221100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22922.

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

The square root of 2221100211 is about 47128.5498503826. The cubic root of 2221100211 is about 1304.7362171444.

Adding to 2221100211 its reverse (1120011222), we get a palindrome (3341111433).

The spelling of 2221100211 in words is "two billion, two hundred twenty-one million, one hundred thousand, two hundred eleven".