22222111201012 has 24 divisors (see below), whose sum is σ = 39328514729280. Its totient is φ = 10985410920000.

The previous prime is 22222111200983. The next prime is 22222111201021. The reversal of 22222111201012 is 21010211122222.

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, 2625643 + ... + 7165069.

It is an arithmetic number, because the mean of its divisors is an integer number (1638688113720).

Almost surely, 2^{22222111201012} is an apocalyptic number.

It is an amenable number.

22222111201012 is a deficient number, since it is larger than the sum of its proper divisors (17106403528268).

22222111201012 is a wasteful number, since it uses less digits than its factorization.

22222111201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553271 (or 4553269 counting only the distinct ones).

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

Adding to 22222111201012 its reverse (21010211122222), we get a palindrome (43232322323234).

The spelling of 22222111201012 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, two hundred one thousand, twelve".