11200420000000 has 864 divisors, whose sum is σ = 35498440373760. Its totient is φ = 3487680000000.

The previous prime is 11200419999997. The next prime is 11200420000013. The reversal of 11200420000000 is 2400211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10779999481 + ... + 10780000519.

It is an arithmetic number, because the mean of its divisors is an integer number (41086157840).

Almost surely, 2^{11200420000000} is an apocalyptic number.

11200420000000 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 11200420000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17749220186880).

11200420000000 is an abundant number, since it is smaller than the sum of its proper divisors (24298020373760).

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

11200420000000 is an frugal number, since it uses more digits than its factorization.

11200420000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11200420000000 its reverse (2400211), we get a palindrome (11200422400211).

The spelling of 11200420000000 in words is "eleven trillion, two hundred billion, four hundred twenty million", and thus it is an aban number.