11121030 has 32 divisors (see below), whose sum is σ = 29656800. Its totient is φ = 2965536.

The previous prime is 11120981. The next prime is 11121037. The reversal of 11121030 is 3012111.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20325 + ... + 20864.

It is an arithmetic number, because the mean of its divisors is an integer number (926775).

Almost surely, 2^11121030 is an apocalyptic number.

11121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121030 is an abundant number, since it is smaller than the sum of its proper divisors (18535770).

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

11121030 is a wasteful number, since it uses less digits than its factorization.

11121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41205 (or 41199 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11121030 is about 3334.8208347676. The cubic root of 11121030 is about 223.2106972558.

Adding to 11121030 its reverse (3012111), we get a palindrome (14133141).

The spelling of 11121030 in words is "eleven million, one hundred twenty-one thousand, thirty".