2221102212 has 48 divisors (see below), whose sum is σ = 5938652160. Its totient is φ = 632917152.

The previous prime is 2221102201. The next prime is 2221102231. The reversal of 2221102212 is 2122011222.

It is a junction number, because it is equal to n+sod(n) for n = 2221102191 and 2221102200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048 + ... + 66719.

It is an arithmetic number, because the mean of its divisors is an integer number (123721920).

Almost surely, 2^2221102212 is an apocalyptic number.

It is an amenable number.

2221102212 is an abundant number, since it is smaller than the sum of its proper divisors (3717549948).

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

2221102212 is a wasteful number, since it uses less digits than its factorization.

2221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70160 (or 70158 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2221102212 is about 47128.5710795479. The cubic root of 2221102212 is about 1304.7366089587.

Adding to 2221102212 its reverse (2122011222), we get a palindrome (4343113434).

The spelling of 2221102212 in words is "two billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".