2216110100 has 18 divisors (see below), whose sum is σ = 4808959134. Its totient is φ = 886444000.

The previous prime is 2216110093. The next prime is 2216110103. The reversal of 2216110100 is 10116122.

It can be written as a sum of positive squares in 3 ways, for example, as 439824784 + 1776285316 = 20972^2 + 42146^2 .

It is a super-2 number, since 2×2216110100² = 9822287950644020000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216110103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11080451 + ... + 11080650.

Almost surely, 2^2216110100 is an apocalyptic number.

2216110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216110100 is an abundant number, since it is smaller than the sum of its proper divisors (2592849034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2216110100 is a wasteful number, since it uses less digits than its factorization.

2216110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22161115 (or 22161108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2216110100 is about 47075.5785944262. The cubic root of 2216110100 is about 1303.7583743468.

Adding to 2216110100 its reverse (10116122), we get a palindrome (2226226222).

The spelling of 2216110100 in words is "two billion, two hundred sixteen million, one hundred ten thousand, one hundred".