11110021012000 has 192 divisors, whose sum is σ = 29205084504960. Its totient is φ = 4141093248000.

The previous prime is 11110021011997. The next prime is 11110021012001. The reversal of 11110021012000 is 21012001111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11110021012001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3437767 + ... + 5834233.

It is an arithmetic number, because the mean of its divisors is an integer number (152109815130).

Almost surely, 2^{11110021012000} is an apocalyptic number.

11110021012000 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 11110021012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14602542252480).

11110021012000 is an abundant number, since it is smaller than the sum of its proper divisors (18095063492960).

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

11110021012000 is a wasteful number, since it uses less digits than its factorization.

11110021012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396572 (or 2396554 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11110021012000 its reverse (21012001111), we get a palindrome (11131033013111).

The spelling of 11110021012000 in words is "eleven trillion, one hundred ten billion, twenty-one million, twelve thousand".