2212221100100 has 36 divisors (see below), whose sum is σ = 5236930679568. Its totient is φ = 804444036000.

The previous prime is 2212221100091. The next prime is 2212221100123. The reversal of 2212221100100 is 10011222122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1005553946 + ... + 1005556145.

Almost surely, 2^{2212221100100} is an apocalyptic number.

2212221100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212221100100 is an abundant number, since it is smaller than the sum of its proper divisors (3024709579468).

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

2212221100100 is a wasteful number, since it uses less digits than its factorization.

2212221100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011110116 (or 2011110109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212221100100 its reverse (10011222122), we get a palindrome (2222232322222).

The spelling of 2212221100100 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thousand, one hundred".