11122200120 has 64 divisors (see below), whose sum is σ = 33426069120. Its totient is φ = 2960633984.

The previous prime is 11122200101. The next prime is 11122200169. The reversal of 11122200120 is 2100222111.

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 = 11122200096 and 11122200105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14754 + ... + 149873.

It is an arithmetic number, because the mean of its divisors is an integer number (522282330).

Almost surely, 2^11122200120 is an apocalyptic number.

11122200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122200120 is an abundant number, since it is smaller than the sum of its proper divisors (22303869000).

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

11122200120 is a wasteful number, since it uses less digits than its factorization.

11122200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165204 (or 165200 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11122200120 its reverse (2100222111), we get a palindrome (13222422231).

The spelling of 11122200120 in words is "eleven billion, one hundred twenty-two million, two hundred thousand, one hundred twenty".