11221021310 has 16 divisors (see below), whose sum is σ = 20499299856. Its totient is φ = 4421417088.

The previous prime is 11221021289. The next prime is 11221021313. The reversal of 11221021310 is 1312012211.

It is a super-2 number, since 2×11221021310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221021313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8373227 + ... + 8374566.

It is an arithmetic number, because the mean of its divisors is an integer number (1281206241).

Almost surely, 2^11221021310 is an apocalyptic number.

11221021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221021310 is a deficient number, since it is larger than the sum of its proper divisors (9278278546).

11221021310 is a wasteful number, since it uses less digits than its factorization.

11221021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747867.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11221021310 its reverse (1312012211), we get a palindrome (12533033521).

Subtracting from 11221021310 its reverse (1312012211), we obtain a palindrome (9909009099).

The spelling of 11221021310 in words is "eleven billion, two hundred twenty-one million, twenty-one thousand, three hundred ten".