11021313 has 4 divisors (see below), whose sum is σ = 14695088. Its totient is φ = 7347540.

The previous prime is 11021303. The next prime is 11021327. The reversal of 11021313 is 31312011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11021313 - 2⁵ = 11021281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11021303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836883 + ... + 1836888.

It is an arithmetic number, because the mean of its divisors is an integer number (3673772).

Almost surely, 2^11021313 is an apocalyptic number.

It is an amenable number.

11021313 is a deficient number, since it is larger than the sum of its proper divisors (3673775).

11021313 is an equidigital number, since it uses as much as digits as its factorization.

11021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673774.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 11021313 is about 3319.8362911445. The cubic root of 11021313 is about 222.5415518071.

Adding to 11021313 its reverse (31312011), we get a palindrome (42333324).

It can be divided in two parts, 1102 and 1313, that added together give a triangular number (2415 = T₆₉).

The spelling of 11021313 in words is "eleven million, twenty-one thousand, three hundred thirteen".