20002201221112 has 32 divisors (see below), whose sum is σ = 40915370170800. Its totient is φ = 9091514809600.

The previous prime is 20002201220993. The next prime is 20002201221113. The reversal of 20002201221112 is 21112210220002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002201221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2892787 + ... + 6955042.

Almost surely, 2^{20002201221112} is an apocalyptic number.

20002201221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20002201221112 is an abundant number, since it is smaller than the sum of its proper divisors (20913168949688).

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

20002201221112 is a wasteful number, since it uses less digits than its factorization.

20002201221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9870927 (or 9870923 counting only the distinct ones).

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

Adding to 20002201221112 its reverse (21112210220002), we get a palindrome (41114411441114).

The spelling of 20002201221112 in words is "twenty trillion, two billion, two hundred one million, two hundred twenty-one thousand, one hundred twelve".