11021131 has 8 divisors (see below), whose sum is σ = 12438000. Its totient is φ = 9673440.

The previous prime is 11021123. The next prime is 11021147. The reversal of 11021131 is 13112011.

11021131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021131 - 2³ = 11021123 is a prime.

It is a super-2 number, since 2×11021131² = 242930657038322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022131) 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, 16956 + ... + 17593.

It is an arithmetic number, because the mean of its divisors is an integer number (1554750).

Almost surely, 2^11021131 is an apocalyptic number.

11021131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021131 is a deficient number, since it is larger than the sum of its proper divisors (1416869).

11021131 is a wasteful number, since it uses less digits than its factorization.

11021131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34589.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11021131 is about 3319.8088800411. The cubic root of 11021131 is about 222.5403268235.

Adding to 11021131 its reverse (13112011), we get a palindrome (24133142).

The spelling of 11021131 in words is "eleven million, twenty-one thousand, one hundred thirty-one".