2221222210212 has 24 divisors (see below), whose sum is σ = 5214648465376. Its totient is φ = 735865026048.

The previous prime is 2221222210199. The next prime is 2221222210213. The reversal of 2221222210212 is 2120122221222.

It is not an unprimeable number, because it can be changed into a prime (2221222210213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567795133 + ... + 567799044.

Almost surely, 2^{2221222210212} is an apocalyptic number.

It is an amenable number.

2221222210212 is an abundant number, since it is smaller than the sum of its proper divisors (2993426255164).

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

2221222210212 is a wasteful number, since it uses less digits than its factorization.

2221222210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135594347 (or 1135594345 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2221222210212 its reverse (2120122221222), we get a palindrome (4341344431434).

The spelling of 2221222210212 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, two hundred twelve".