11021220200120 has 64 divisors (see below), whose sum is σ = 26751548013120. Its totient is φ = 4062320861184.

The previous prime is 11021220200099. The next prime is 11021220200131. The reversal of 11021220200120 is 2100202212011.

It is a super-3 number, since 3×11021220200120³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021220200095 and 11021220200104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18066212 + ... + 18666291.

It is an arithmetic number, because the mean of its divisors is an integer number (417992937705).

Almost surely, 2^{11021220200120} is an apocalyptic number.

11021220200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021220200120 is an abundant number, since it is smaller than the sum of its proper divisors (15730327813000).

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

11021220200120 is a wasteful number, since it uses less digits than its factorization.

11021220200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36733104 (or 36733100 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021220200120 its reverse (2100202212011), we get a palindrome (13121422412131).

The spelling of 11021220200120 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred thousand, one hundred twenty".