11220111310 has 16 divisors (see below), whose sum is σ = 20892621600. Its totient is φ = 4333284256.

The previous prime is 11220111269. The next prime is 11220111317. The reversal of 11220111310 is 1311102211.

It is a happy number.

It is a super-2 number, since 2×11220111310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220111317) 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, 19344730 + ... + 19345309.

It is an arithmetic number, because the mean of its divisors is an integer number (1305788850).

Almost surely, 2^11220111310 is an apocalyptic number.

11220111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220111310 is a deficient number, since it is larger than the sum of its proper divisors (9672510290).

11220111310 is a wasteful number, since it uses less digits than its factorization.

11220111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38690075.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11220111310 its reverse (1311102211), we get a palindrome (12531213521).

Subtracting from 11220111310 its reverse (1311102211), we obtain a palindrome (9909009099).

The spelling of 11220111310 in words is "eleven billion, two hundred twenty million, one hundred eleven thousand, three hundred ten".