202221200011122 has 32 divisors (see below), whose sum is σ = 454794666701760. Its totient is φ = 66594933335520.

The previous prime is 202221200011121. The next prime is 202221200011151. The reversal of 202221200011122 is 221110002122202.

It is a happy number.

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 = 202221200011095 and 202221200011104.

It is not an unprimeable number, because it can be changed into a prime (202221200011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22559254779 + ... + 22559263742.

It is an arithmetic number, because the mean of its divisors is an integer number (14212333334430).

Almost surely, 2^{202221200011122} is an apocalyptic number.

202221200011122 is an abundant number, since it is smaller than the sum of its proper divisors (252573466690638).

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

202221200011122 is a wasteful number, since it uses less digits than its factorization.

202221200011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118518615 (or 45118518609 counting only the distinct ones).

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

Adding to 202221200011122 its reverse (221110002122202), we get a palindrome (423331202133324).

The spelling of 202221200011122 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred million, eleven thousand, one hundred twenty-two".