11021110120 has 32 divisors (see below), whose sum is σ = 25652586600. Its totient is φ = 4256428288.

The previous prime is 11021110109. The next prime is 11021110159. The reversal of 11021110120 is 2101112011.

It can be written as a sum of positive squares in 4 ways, for example, as 9268683076 + 1752427044 = 96274^2 + 41862^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11021110097 and 11021110106.

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, 4749319 + ... + 4751638.

Almost surely, 2^11021110120 is an apocalyptic number.

11021110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021110120 is an abundant number, since it is smaller than the sum of its proper divisors (14631476480).

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

11021110120 is a wasteful number, since it uses less digits than its factorization.

11021110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500997 (or 9500993 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11021110120 its reverse (2101112011), we get a palindrome (13122222131).

The spelling of 11021110120 in words is "eleven billion, twenty-one million, one hundred ten thousand, one hundred twenty".