11001020221120 has 56 divisors (see below), whose sum is σ = 26205205444704. Its totient is φ = 4398891902976.

The previous prime is 11001020221099. The next prime is 11001020221181. The reversal of 11001020221120 is 2112202010011.

It is a super-2 number, since 2×11001020221120² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11001020221120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992189 + ... + 6850108.

Almost surely, 2^{11001020221120} is an apocalyptic number.

11001020221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001020221120 is an abundant number, since it is smaller than the sum of its proper divisors (15204185223584).

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

11001020221120 is a wasteful number, since it uses less digits than its factorization.

11001020221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845217 (or 11845207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11001020221120 its reverse (2112202010011), we get a palindrome (13113222231131).

The spelling of 11001020221120 in words is "eleven trillion, one billion, twenty million, two hundred twenty-one thousand, one hundred twenty".