21110133311000 has 32 divisors (see below), whose sum is σ = 49397711950080. Its totient is φ = 8444053324000.

The previous prime is 21110133310957. The next prime is 21110133311023. The reversal of 21110133311000 is 11333101112.

It is a self number, because there is not a number n which added to its sum of digits gives 21110133311000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10555065656 + ... + 10555067655.

It is an arithmetic number, because the mean of its divisors is an integer number (1543678498440).

Almost surely, 2^{21110133311000} is an apocalyptic number.

21110133311000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21110133311000 is an abundant number, since it is smaller than the sum of its proper divisors (28287578639080).

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

21110133311000 is a wasteful number, since it uses less digits than its factorization.

21110133311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21110133332 (or 21110133318 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 21110133311000 its reverse (11333101112), we get a palindrome (21121466412112).

The spelling of 21110133311000 in words is "twenty-one trillion, one hundred ten billion, one hundred thirty-three million, three hundred eleven thousand".