11023220000 has 120 divisors (see below), whose sum is σ = 29205523116. Its totient is φ = 4070016000.

The previous prime is 11023219993. The next prime is 11023220003. The reversal of 11023220000 is 2232011.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1899913744 + 9123306256 = 43588^2 + 95516^2 .

It is a super-2 number, since 2×11023220000² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 238802 + ... + 281198.

Almost surely, 2^11023220000 is an apocalyptic number.

11023220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11023220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14602761558).

11023220000 is an abundant number, since it is smaller than the sum of its proper divisors (18182303116).

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

11023220000 is an equidigital number, since it uses as much as digits as its factorization.

11023220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42440 (or 42417 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 11023220000 its reverse (2232011), we get a palindrome (11025452011).

The spelling of 11023220000 in words is "eleven billion, twenty-three million, two hundred twenty thousand".