11200121210220 has 24 divisors (see below), whose sum is σ = 31360339388784. Its totient is φ = 2986698989376.

The previous prime is 11200121210183. The next prime is 11200121210237. The reversal of 11200121210220 is 2201212100211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11200121210220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93334343359 + ... + 93334343478.

It is an arithmetic number, because the mean of its divisors is an integer number (1306680807866).

Almost surely, 2^{11200121210220} is an apocalyptic number.

11200121210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200121210220 is an abundant number, since it is smaller than the sum of its proper divisors (20160218178564).

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

11200121210220 is a wasteful number, since it uses less digits than its factorization.

11200121210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186668686849 (or 186668686847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200121210220 its reverse (2201212100211), we get a palindrome (13401333310431).

The spelling of 11200121210220 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty".