222221002221112 has 16 divisors (see below), whose sum is σ = 416770427678400. Its totient is φ = 111082221506880.

The previous prime is 222221002221089. The next prime is 222221002221121. The reversal of 222221002221112 is 211122200122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3534917064 + ... + 3534979927.

It is an arithmetic number, because the mean of its divisors is an integer number (26048151729900).

Almost surely, 2^{222221002221112} is an apocalyptic number.

It is an amenable number.

222221002221112 is a deficient number, since it is larger than the sum of its proper divisors (194549425457288).

222221002221112 is a wasteful number, since it uses less digits than its factorization.

222221002221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069900926 (or 7069900922 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222221002221112 its reverse (211122200122222), we get a palindrome (433343202343334).

The spelling of 222221002221112 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, two hundred twenty-one thousand, one hundred twelve".