22112110012222 has 32 divisors (see below), whose sum is σ = 34466401416960. Its totient is φ = 10628106128640.

The previous prime is 22112110012211. The next prime is 22112110012241. The reversal of 22112110012222 is 22221001121122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112110012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32653378 + ... + 33323674.

It is an arithmetic number, because the mean of its divisors is an integer number (1077075044280).

Almost surely, 2^{22112110012222} is an apocalyptic number.

22112110012222 is a deficient number, since it is larger than the sum of its proper divisors (12354291404738).

22112110012222 is a wasteful number, since it uses less digits than its factorization.

22112110012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673876.

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

Adding to 22112110012222 its reverse (22221001121122), we get a palindrome (44333111133344).

The spelling of 22112110012222 in words is "twenty-two trillion, one hundred twelve billion, one hundred ten million, twelve thousand, two hundred twenty-two".