22011100022 has 16 divisors (see below), whose sum is σ = 33645290112. Its totient is φ = 10796073600.

The previous prime is 22011099989. The next prime is 22011100043. The reversal of 22011100022 is 22000111022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22011099976 and 22011100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785147 + ... + 812697.

It is an arithmetic number, because the mean of its divisors is an integer number (2102830632).

Almost surely, 2^22011100022 is an apocalyptic number.

22011100022 is a deficient number, since it is larger than the sum of its proper divisors (11634190090).

22011100022 is a wasteful number, since it uses less digits than its factorization.

22011100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35143.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22011100022 its reverse (22000111022), we get a palindrome (44011211044).

It can be divided in two parts, 220111000 and 22, that added together give a palindrome (220111022).

The spelling of 22011100022 in words is "twenty-two billion, eleven million, one hundred thousand, twenty-two".