11022220120 has 32 divisors (see below), whose sum is σ = 24804309600. Its totient is φ = 4408121088.

The previous prime is 11022220109. The next prime is 11022220151. The reversal of 11022220120 is 2102222011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11022220120.

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, 246532 + ... + 287788.

It is an arithmetic number, because the mean of its divisors is an integer number (775134675).

Almost surely, 2^11022220120 is an apocalyptic number.

11022220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022220120 is an abundant number, since it is smaller than the sum of its proper divisors (13782089480).

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

11022220120 is a wasteful number, since it uses less digits than its factorization.

11022220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47947 (or 47943 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11022220120 its reverse (2102222011), we get a palindrome (13124442131).

It can be divided in two parts, 1102 and 2220120, that added together give a palindrome (2221222).

The spelling of 11022220120 in words is "eleven billion, twenty-two million, two hundred twenty thousand, one hundred twenty".