11011020020220 has 48 divisors (see below), whose sum is σ = 33633661154688. Its totient is φ = 2669338186560.

The previous prime is 11011020020183. The next prime is 11011020020233. The reversal of 11011020020220 is 2202002011011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11011020020196 and 11011020020205.

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, 8341681174 + ... + 8341682493.

It is an arithmetic number, because the mean of its divisors is an integer number (700701274056).

Almost surely, 2^{11011020020220} is an apocalyptic number.

11011020020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011020020220 is an abundant number, since it is smaller than the sum of its proper divisors (22622641134468).

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

11011020020220 is a wasteful number, since it uses less digits than its factorization.

11011020020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16683363690 (or 16683363688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11011020020220 its reverse (2202002011011), we get a palindrome (13213022031231).

The spelling of 11011020020220 in words is "eleven trillion, eleven billion, twenty million, twenty thousand, two hundred twenty".