22110222122122 has 4 divisors (see below), whose sum is σ = 33165333183186. Its totient is φ = 11055111061060.

The previous prime is 22110222122119. The next prime is 22110222122129. The reversal of 22110222122122 is 22122122201122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16188061386721 + 5922160735401 = 4023439^2 + 2433549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22110222122093 and 22110222122102.

It is not an unprimeable number, because it can be changed into a prime (22110222122129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527555530529 + ... + 5527555530532.

Almost surely, 2^{22110222122122} is an apocalyptic number.

22110222122122 is a deficient number, since it is larger than the sum of its proper divisors (11055111061064).

22110222122122 is a wasteful number, since it uses less digits than its factorization.

22110222122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055111061063.

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

Adding to 22110222122122 its reverse (22122122201122), we get a palindrome (44232344323244).

The spelling of 22110222122122 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".