11021112 has 24 divisors (see below), whose sum is σ = 29849040. Its totient is φ = 3673680.

The previous prime is 11021081. The next prime is 11021113. The reversal of 11021112 is 21112011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11021094 and 11021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76464 + ... + 76607.

It is an arithmetic number, because the mean of its divisors is an integer number (1243710).

Almost surely, 2^11021112 is an apocalyptic number.

11021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021112 is an abundant number, since it is smaller than the sum of its proper divisors (18827928).

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

11021112 is a wasteful number, since it uses less digits than its factorization.

11021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153083 (or 153076 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11021112 is about 3319.8060184294. The cubic root of 11021112 is about 222.5401989398.

Adding to 11021112 its reverse (21112011), we get a palindrome (32133123).

The spelling of 11021112 in words is "eleven million, twenty-one thousand, one hundred twelve".