11011310220 has 96 divisors (see below), whose sum is σ = 31012869888. Its totient is φ = 2919151872.

The previous prime is 11011310213. The next prime is 11011310257. The reversal of 11011310220 is 2201311011.

It is a super-2 number, since 2×11011310220² (a number of 21 digits) contains 22 as substring.

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 = 11011310196 and 11011310205.

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, 12469899 + ... + 12470781.

It is an arithmetic number, because the mean of its divisors is an integer number (323050728).

Almost surely, 2^11011310220 is an apocalyptic number.

11011310220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011310220 is an abundant number, since it is smaller than the sum of its proper divisors (20001559668).

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

11011310220 is a wasteful number, since it uses less digits than its factorization.

11011310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

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

Adding to 11011310220 its reverse (2201311011), we get a palindrome (13212621231).

The spelling of 11011310220 in words is "eleven billion, eleven million, three hundred ten thousand, two hundred twenty".