2212201100 has 18 divisors (see below), whose sum is σ = 4800476604. Its totient is φ = 884880400.

The previous prime is 2212201037. The next prime is 2212201127. The reversal of 2212201100 is 11022122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11060906 + ... + 11061105.

Almost surely, 2^2212201100 is an apocalyptic number.

2212201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212201100 is an abundant number, since it is smaller than the sum of its proper divisors (2588275504).

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

2212201100 is a wasteful number, since it uses less digits than its factorization.

2212201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122025 (or 22122018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2212201100 is about 47034.0419270979. The cubic root of 2212201100 is about 1302.9913560571.

Adding to 2212201100 its reverse (11022122), we get a palindrome (2223223222).

The spelling of 2212201100 in words is "two billion, two hundred twelve million, two hundred one thousand, one hundred".