11112021011000 has 384 divisors, whose sum is σ = 32709709992960. Its totient is φ = 3502130688000.

The previous prime is 11112021010973. The next prime is 11112021011059. The reversal of 11112021011000 is 11012021111.

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 95 ways as a sum of consecutive naturals, for example, 153480809 + ... + 153553191.

It is an arithmetic number, because the mean of its divisors is an integer number (85181536440).

Almost surely, 2^{11112021011000} is an apocalyptic number.

11112021011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112021011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16354854996480).

11112021011000 is an abundant number, since it is smaller than the sum of its proper divisors (21597688981960).

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

11112021011000 is a wasteful number, since it uses less digits than its factorization.

11112021011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72672 (or 72651 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112021011000 its reverse (11012021111), we get a palindrome (11123033032111).

The spelling of 11112021011000 in words is "eleven trillion, one hundred twelve billion, twenty-one million, eleven thousand".