202221100002112 has 112 divisors (see below), whose sum is σ = 409179115762560. Its totient is φ = 99137005721600.

The previous prime is 202221100002073. The next prime is 202221100002139. The reversal of 202221100002112 is 211200001122202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2093749662 + ... + 2093846242.

Almost surely, 2^{202221100002112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202221100002112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204589557881280).

202221100002112 is an abundant number, since it is smaller than the sum of its proper divisors (206958015760448).

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

202221100002112 is a wasteful number, since it uses less digits than its factorization.

202221100002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99200 (or 99190 counting only the distinct ones).

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

Adding to 202221100002112 its reverse (211200001122202), we get a palindrome (413421101124314).

The spelling of 202221100002112 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred million, two thousand, one hundred twelve".