11133021220220 has 24 divisors (see below), whose sum is σ = 23445575015184. Its totient is φ = 4440593163776.

The previous prime is 11133021220183. The next prime is 11133021220259. The reversal of 11133021220220 is 2202212033111.

It is a super-2 number, since 2×11133021220220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11133021220192 and 11133021220201.

It is a congruent number.

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, 788450534 + ... + 788464653.

It is an arithmetic number, because the mean of its divisors is an integer number (976898958966).

Almost surely, 2^{11133021220220} is an apocalyptic number.

11133021220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11133021220220 is an abundant number, since it is smaller than the sum of its proper divisors (12312553794964).

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

11133021220220 is a wasteful number, since it uses less digits than its factorization.

11133021220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576915549 (or 1576915547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11133021220220 its reverse (2202212033111), we get a palindrome (13335233253331).

The spelling of 11133021220220 in words is "eleven trillion, one hundred thirty-three billion, twenty-one million, two hundred twenty thousand, two hundred twenty".