20211043321200 has 120 divisors (see below), whose sum is σ = 64743846992176. Its totient is φ = 5389516800000.

The previous prime is 20211043321187. The next prime is 20211043321243. The reversal of 20211043321200 is 212334011202.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 92051550 + ... + 92270850.

Almost surely, 2^{20211043321200} is an apocalyptic number.

20211043321200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211043321200 is an abundant number, since it is smaller than the sum of its proper divisors (44532803670976).

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

20211043321200 is a wasteful number, since it uses less digits than its factorization.

20211043321200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296123 (or 296112 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20211043321200 its reverse (212334011202), we get a palindrome (20423377332402).

The spelling of 20211043321200 in words is "twenty trillion, two hundred eleven billion, forty-three million, three hundred twenty-one thousand, two hundred".