11012221120 has 28 divisors (see below), whose sum is σ = 26222852304. Its totient is φ = 4404888320.

The previous prime is 11012221117. The next prime is 11012221123. The reversal of 11012221120 is 2112221011.

It is an interprime number because it is at equal distance from previous prime (11012221117) and next prime (11012221123).

It is a self number, because there is not a number n which added to its sum of digits gives 11012221120.

It is not an unprimeable number, because it can be changed into a prime (11012221123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17206276 + ... + 17206915.

Almost surely, 2^11012221120 is an apocalyptic number.

11012221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012221120 is an abundant number, since it is smaller than the sum of its proper divisors (15210631184).

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

11012221120 is an equidigital number, since it uses as much as digits as its factorization.

11012221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34413208 (or 34413198 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012221120 its reverse (2112221011), we get a palindrome (13124442131).

The spelling of 11012221120 in words is "eleven billion, twelve million, two hundred twenty-one thousand, one hundred twenty".