22111022122 has 16 divisors (see below), whose sum is σ = 38423852352. Its totient is φ = 9346341600.

The previous prime is 22111022119. The next prime is 22111022123. The reversal of 22111022122 is 22122011122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22111022096 and 22111022105.

It is not an unprimeable number, because it can be changed into a prime (22111022123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10816504 + ... + 10818547.

It is an arithmetic number, because the mean of its divisors is an integer number (2401490772).

Almost surely, 2^22111022122 is an apocalyptic number.

22111022122 is a deficient number, since it is larger than the sum of its proper divisors (16312830230).

22111022122 is a wasteful number, since it uses less digits than its factorization.

22111022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635133.

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

Adding to 22111022122 its reverse (22122011122), we get a palindrome (44233033244).

The spelling of 22111022122 in words is "twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".