11140211 has 6 divisors (see below), whose sum is σ = 11646180. Its totient is φ = 10655348.

The previous prime is 11140193. The next prime is 11140231. The reversal of 11140211 is 11204111.

It is a de Polignac number, because none of the positive numbers 2^k-11140211 is a prime.

It is a super-2 number, since 2×11140211² = 248208602249042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140192 and 11140201.

It is not an unprimeable number, because it can be changed into a prime (11140231) 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, 10001 + ... + 11058.

It is an arithmetic number, because the mean of its divisors is an integer number (1941030).

Almost surely, 2^11140211 is an apocalyptic number.

11140211 is a deficient number, since it is larger than the sum of its proper divisors (505969).

11140211 is an equidigital number, since it uses as much as digits as its factorization.

11140211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105 (or 21082 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 11140211 is about 3337.6954624411. The cubic root of 11140211 is about 223.3389511223.

Adding to 11140211 its reverse (11204111), we get a palindrome (22344322).

The spelling of 11140211 in words is "eleven million, one hundred forty thousand, two hundred eleven".