11022122320 has 60 divisors (see below), whose sum is σ = 28167923700. Its totient is φ = 4008040960.

The previous prime is 11022122311. The next prime is 11022122393. The reversal of 11022122320 is 2322122011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3363072064 + 7659050256 = 57992^2 + 87516^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11022122294 and 11022122303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559645 + ... + 579004.

It is an arithmetic number, because the mean of its divisors is an integer number (469465395).

Almost surely, 2^11022122320 is an apocalyptic number.

11022122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11022122320 is an abundant number, since it is smaller than the sum of its proper divisors (17145801380).

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

11022122320 is a wasteful number, since it uses less digits than its factorization.

11022122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138684 (or 1138667 counting only the distinct ones).

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

Adding to 11022122320 its reverse (2322122011), we get a palindrome (13344244331).

The spelling of 11022122320 in words is "eleven billion, twenty-two million, one hundred twenty-two thousand, three hundred twenty".