11011222002120 has 128 divisors (see below), whose sum is σ = 33208139808000. Its totient is φ = 2920824631296.

The previous prime is 11011222002101. The next prime is 11011222002167. The reversal of 11011222002120 is 2120022211011.

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 11011222002120.

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, 96824332 + ... + 96937988.

It is an arithmetic number, because the mean of its divisors is an integer number (259438592250).

Almost surely, 2^{11011222002120} is an apocalyptic number.

11011222002120 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 11011222002120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16604069904000).

11011222002120 is an abundant number, since it is smaller than the sum of its proper divisors (22196917805880).

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

11011222002120 is a wasteful number, since it uses less digits than its factorization.

11011222002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117927 (or 117923 counting only the distinct ones).

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

Adding to 11011222002120 its reverse (2120022211011), we get a palindrome (13131244213131).

The spelling of 11011222002120 in words is "eleven trillion, eleven billion, two hundred twenty-two million, two thousand, one hundred twenty".