22102111222 has 8 divisors (see below), whose sum is σ = 33155904096. Its totient is φ = 11050143192.

The previous prime is 22102111201. The next prime is 22102111253. The reversal of 22102111222 is 22211120122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22102111196 and 22102111205.

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, 425518 + ... + 474625.

It is an arithmetic number, because the mean of its divisors is an integer number (4144488012).

Almost surely, 2^22102111222 is an apocalyptic number.

22102111222 is a deficient number, since it is larger than the sum of its proper divisors (11053792874).

22102111222 is a wasteful number, since it uses less digits than its factorization.

22102111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912422.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22102111222 its reverse (22211120122), we get a palindrome (44313231344).

The spelling of 22102111222 in words is "twenty-two billion, one hundred two million, one hundred eleven thousand, two hundred twenty-two".