11021210001200 has 120 divisors (see below), whose sum is σ = 30263476680192. Its totient is φ = 3778403016960.

The previous prime is 11021210001199. The next prime is 11021210001223. The reversal of 11021210001200 is 210001212011.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 36999257 + ... + 37295943.

Almost surely, 2^{11021210001200} is an apocalyptic number.

11021210001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021210001200 is an abundant number, since it is smaller than the sum of its proper divisors (19242266678992).

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

11021210001200 is a wasteful number, since it uses less digits than its factorization.

11021210001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309979 (or 309968 counting only the distinct ones).

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

Adding to 11021210001200 its reverse (210001212011), we get a palindrome (11231211213211).

The spelling of 11021210001200 in words is "eleven trillion, twenty-one billion, two hundred ten million, one thousand, two hundred".