20111201002200 has 192 divisors, whose sum is σ = 77728486129920. Its totient is φ = 4178950848000.

The previous prime is 20111201002129. The next prime is 20111201002201. The reversal of 20111201002200 is 220010211102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111201002201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217607491 + ... + 217699890.

It is an arithmetic number, because the mean of its divisors is an integer number (404835865260).

Almost surely, 2^{20111201002200} is an apocalyptic number.

20111201002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111201002200 is an abundant number, since it is smaller than the sum of its proper divisors (57617285127720).

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

20111201002200 is a wasteful number, since it uses less digits than its factorization.

20111201002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435307418 (or 435307409 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20111201002200 its reverse (220010211102), we get a palindrome (20331211213302).

The spelling of 20111201002200 in words is "twenty trillion, one hundred eleven billion, two hundred one million, two thousand, two hundred".