11221310 has 8 divisors (see below), whose sum is σ = 20198376. Its totient is φ = 4488520.

The previous prime is 11221307. The next prime is 11221333. The reversal of 11221310 is 1312211.

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

It is a super-2 number, since 2×11221310² = 251835596232200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11221291 and 11221300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561056 + ... + 561075.

It is an arithmetic number, because the mean of its divisors is an integer number (2524797).

Almost surely, 2^11221310 is an apocalyptic number.

11221310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221310 is a deficient number, since it is larger than the sum of its proper divisors (8977066).

11221310 is a wasteful number, since it uses less digits than its factorization.

11221310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122138.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11221310 is about 3349.8223833511. The cubic root of 11221310 is about 223.8795988796.

Adding to 11221310 its reverse (1312211), we get a palindrome (12533521).

Subtracting from 11221310 its reverse (1312211), we obtain a palindrome (9909099).

The spelling of 11221310 in words is "eleven million, two hundred twenty-one thousand, three hundred ten".