20110012211200 has 168 divisors, whose sum is σ = 50005858161312. Its totient is φ = 8022056632320.

The previous prime is 20110012211197. The next prime is 20110012211273. The reversal of 20110012211200 is 211221001102.

It is a super-2 number, since 2×20110012211200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75027822 + ... + 75295378.

Almost surely, 2^{20110012211200} is an apocalyptic number.

20110012211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110012211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25002929080656).

20110012211200 is an abundant number, since it is smaller than the sum of its proper divisors (29895845950112).

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

20110012211200 is an equidigital number, since it uses as much as digits as its factorization.

20110012211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267960 (or 267931 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110012211200 its reverse (211221001102), we get a palindrome (20321233212302).

The spelling of 20110012211200 in words is "twenty trillion, one hundred ten billion, twelve million, two hundred eleven thousand, two hundred".