11200021110120 has 128 divisors (see below), whose sum is σ = 33963709847040. Its totient is φ = 2954402150400.

The previous prime is 11200021110101. The next prime is 11200021110151. The reversal of 11200021110120 is 2101112000211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11200021110096 and 11200021110105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12874449 + ... + 13716831.

It is an arithmetic number, because the mean of its divisors is an integer number (265341483180).

Almost surely, 2^{11200021110120} is an apocalyptic number.

11200021110120 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 11200021110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16981854923520).

11200021110120 is an abundant number, since it is smaller than the sum of its proper divisors (22763688736920).

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

11200021110120 is a wasteful number, since it uses less digits than its factorization.

11200021110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843595 (or 843591 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11200021110120 its reverse (2101112000211), we get a palindrome (13301133110331).

The spelling of 11200021110120 in words is "eleven trillion, two hundred billion, twenty-one million, one hundred ten thousand, one hundred twenty".