10821190 has 16 divisors (see below), whose sum is σ = 19809360. Its totient is φ = 4254880.

The previous prime is 10821179. The next prime is 10821199. The reversal of 10821190 is 9112801.

It is a super-2 number, since 2×10821190² = 234196306032200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821199) 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 7 ways as a sum of consecutive naturals, for example, 8581 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (1238085).

Almost surely, 2^10821190 is an apocalyptic number.

10821190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10821190 is a deficient number, since it is larger than the sum of its proper divisors (8988170).

10821190 is a wasteful number, since it uses less digits than its factorization.

10821190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18407.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10821190 is about 3289.5577210318. The cubic root of 10821190 is about 221.1863595995.

Adding to 10821190 its reverse (9112801), we get a palindrome (19933991).

It can be divided in two parts, 10821 and 190, that added together give a palindrome (11011).

The spelling of 10821190 in words is "ten million, eight hundred twenty-one thousand, one hundred ninety".