11011210120000 has 140 divisors (see below), whose sum is σ = 27767011836960. Its totient is φ = 4329830848000.

The previous prime is 11011210119929. The next prime is 11011210120021. The reversal of 11011210120000 is 2101211011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27117 + ... + 4692883.

Almost surely, 2^{11011210120000} is an apocalyptic number.

11011210120000 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 11011210120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13883505918480).

11011210120000 is an abundant number, since it is smaller than the sum of its proper divisors (16755801716960).

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

11011210120000 is an frugal number, since it uses more digits than its factorization.

11011210120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665858 (or 4665833 counting only the distinct ones).

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

Adding to 11011210120000 its reverse (2101211011), we get a palindrome (11013311331011).

The spelling of 11011210120000 in words is "eleven trillion, eleven billion, two hundred ten million, one hundred twenty thousand".