11220232120 has 32 divisors (see below), whose sum is σ = 25346124720. Its totient is φ = 4470208000.

The previous prime is 11220232099. The next prime is 11220232141. The reversal of 11220232120 is 2123202211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11220232099) and next prime (11220232141).

It is a junction number, because it is equal to n+sod(n) for n = 11220232094 and 11220232103.

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, 548737 + ... + 568816.

Almost surely, 2^11220232120 is an apocalyptic number.

11220232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220232120 is an abundant number, since it is smaller than the sum of its proper divisors (14125892600).

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

11220232120 is a wasteful number, since it uses less digits than its factorization.

11220232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117815 (or 1117811 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220232120 its reverse (2123202211), we get a palindrome (13343434331).

The spelling of 11220232120 in words is "eleven billion, two hundred twenty million, two hundred thirty-two thousand, one hundred twenty".