20110100211200 has 60 divisors (see below), whose sum is σ = 49824344406540. Its totient is φ = 8044040079360.

The previous prime is 20110100211197. The next prime is 20110100211211. The reversal of 20110100211200 is 211200101102.

It is a super-2 number, since 2×20110100211200² (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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785537990 + ... + 785563589.

It is an arithmetic number, because the mean of its divisors is an integer number (830405740109).

Almost surely, 2^{20110100211200} is an apocalyptic number.

20110100211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110100211200 is an abundant number, since it is smaller than the sum of its proper divisors (29714244195340).

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

20110100211200 is an equidigital number, since it uses as much as digits as its factorization.

20110100211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571101607 (or 1571101586 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110100211200 its reverse (211200101102), we get a palindrome (20321300312302).

The spelling of 20110100211200 in words is "twenty trillion, one hundred ten billion, one hundred million, two hundred eleven thousand, two hundred".