2201222120212 has 24 divisors (see below), whose sum is σ = 3934393432704. Its totient is φ = 1077113214912.

The previous prime is 2201222120173. The next prime is 2201222120243. The reversal of 2201222120212 is 2120212221022.

It is a super-2 number, since 2×2201222120212² (a number of 25 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 2201222120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121283 + ... + 2983669.

It is an arithmetic number, because the mean of its divisors is an integer number (163933059696).

Almost surely, 2^{2201222120212} is an apocalyptic number.

It is an amenable number.

2201222120212 is a deficient number, since it is larger than the sum of its proper divisors (1733171312492).

2201222120212 is a wasteful number, since it uses less digits than its factorization.

2201222120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876015 (or 876013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2201222120212 its reverse (2120212221022), we get a palindrome (4321434341234).

The spelling of 2201222120212 in words is "two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twelve".