22111102222222 has 8 divisors (see below), whose sum is σ = 35717934359016. Its totient is φ = 10205124102552.

The previous prime is 22111102222201. The next prime is 22111102222229. The reversal of 22111102222222 is 22222220111122.

It is a sphenic number, since it is the product of 3 distinct primes.

22111102222222 is a modest number, since divided by 2222222 gives 2211110 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22111102222193 and 22111102222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111102222229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425213504248 + ... + 425213504299.

It is an arithmetic number, because the mean of its divisors is an integer number (4464741794877).

Almost surely, 2^{22111102222222} is an apocalyptic number.

22111102222222 is a deficient number, since it is larger than the sum of its proper divisors (13606832136794).

22111102222222 is a wasteful number, since it uses less digits than its factorization.

22111102222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850427008562.

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

Adding to 22111102222222 its reverse (22222220111122), we get a palindrome (44333322333344).

The spelling of 22111102222222 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-two".