11821000103000 has 64 divisors (see below), whose sum is σ = 30175789381920. Its totient is φ = 4298545488000.

The previous prime is 11821000102999. The next prime is 11821000103023. The reversal of 11821000103000 is 30100012811.

It is a self number, because there is not a number n which added to its sum of digits gives 11821000103000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537307187 + ... + 537329186.

Almost surely, 2^{11821000103000} is an apocalyptic number.

11821000103000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11821000103000 is an abundant number, since it is smaller than the sum of its proper divisors (18354789278920).

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

11821000103000 is a wasteful number, since it uses less digits than its factorization.

11821000103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074636405 (or 1074636391 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11821000103000 its reverse (30100012811), we get a palindrome (11851100115811).

The spelling of 11821000103000 in words is "eleven trillion, eight hundred twenty-one billion, one hundred three thousand".