11121700 has 18 divisors (see below), whose sum is σ = 24134306. Its totient is φ = 4448640.

The previous prime is 11121683. The next prime is 11121709. The reversal of 11121700 is 712111.

It can be written as a sum of positive squares in 3 ways, for example, as 1721344 + 9400356 = 1312^2 + 3066^2 .

It is not an unprimeable number, because it can be changed into a prime (11121709) 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, 55509 + ... + 55708.

Almost surely, 2^11121700 is an apocalyptic number.

11121700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121700 is an abundant number, since it is smaller than the sum of its proper divisors (13012606).

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

11121700 is a wasteful number, since it uses less digits than its factorization.

11121700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111231 (or 111224 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 11121700 is about 3334.9212884265. The cubic root of 11121700 is about 223.2151796993.

Adding to 11121700 its reverse (712111), we get a palindrome (11833811).

The spelling of 11121700 in words is "eleven million, one hundred twenty-one thousand, seven hundred".