222001011122212 has 24 divisors (see below), whose sum is σ = 444002428854656. Its totient is φ = 95143203350208.

The previous prime is 222001011122207. The next prime is 222001011122257. The reversal of 222001011122212 is 212221110100222.

It is a super-2 number, since 2×222001011122212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222001011122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34526008 + ... + 40448080.

Almost surely, 2^{222001011122212} is an apocalyptic number.

It is an amenable number.

222001011122212 is an abundant number, since it is smaller than the sum of its proper divisors (222001417732444).

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

222001011122212 is a wasteful number, since it uses less digits than its factorization.

222001011122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260907 (or 7260905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222001011122212 its reverse (212221110100222), we get a palindrome (434222121222434).

The spelling of 222001011122212 in words is "two hundred twenty-two trillion, one billion, eleven million, one hundred twenty-two thousand, two hundred twelve".