11220122120 has 32 divisors (see below), whose sum is σ = 25396459200. Its totient is φ = 4461171648.

The previous prime is 11220122087. The next prime is 11220122143. The reversal of 11220122120 is 2122102211.

It is a super-2 number, since 2×11220122120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11220122095 and 11220122104.

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, 833150 + ... + 846509.

It is an arithmetic number, because the mean of its divisors is an integer number (793639350).

Almost surely, 2^11220122120 is an apocalyptic number.

11220122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220122120 is an abundant number, since it is smaller than the sum of its proper divisors (14176337080).

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

11220122120 is a wasteful number, since it uses less digits than its factorization.

11220122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679837 (or 1679833 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11220122120 its reverse (2122102211), we get a palindrome (13342224331).

The spelling of 11220122120 in words is "eleven billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty".