11110001201000 has 128 divisors (see below), whose sum is σ = 28027965288960. Its totient is φ = 4097647008000.

The previous prime is 11110001200997. The next prime is 11110001201003. The reversal of 11110001201000 is 10210001111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11110001200997) and next prime (11110001201003).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (11110001201003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11373947 + ... + 12312053.

It is an arithmetic number, because the mean of its divisors is an integer number (218968478820).

Almost surely, 2^{11110001201000} is an apocalyptic number.

11110001201000 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 11110001201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14013982644480).

11110001201000 is an abundant number, since it is smaller than the sum of its proper divisors (16917964087960).

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

11110001201000 is a wasteful number, since it uses less digits than its factorization.

11110001201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939052 (or 939038 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11110001201000 its reverse (10210001111), we get a palindrome (11120211202111).

The spelling of 11110001201000 in words is "eleven trillion, one hundred ten billion, one million, two hundred one thousand".