22011202201122 has 48 divisors (see below), whose sum is σ = 50497024532760. Its totient is φ = 6905374396416.

The previous prime is 22011202201117. The next prime is 22011202201171. The reversal of 22011202201122 is 22110220211022.

It is a happy number.

22011202201122 is a `hidden beast` number, since 2 + 201 + 120 + 220 + 1 + 122 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19189840345641 + 2821361855481 = 4380621^2 + 1679691^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22011202201095 and 22011202201104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22055754 + ... + 23032122.

Almost surely, 2^{22011202201122} is an apocalyptic number.

22011202201122 is an abundant number, since it is smaller than the sum of its proper divisors (28485822331638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011202201122 is a wasteful number, since it uses less digits than its factorization.

22011202201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050067 (or 1050064 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22011202201122 its reverse (22110220211022), we get a palindrome (44121422412144).

The spelling of 22011202201122 in words is "twenty-two trillion, eleven billion, two hundred two million, two hundred one thousand, one hundred twenty-two".