11211222230310 has 128 divisors (see below), whose sum is σ = 28082481463296. Its totient is φ = 2861254811520.

The previous prime is 11211222230137. The next prime is 11211222230317. The reversal of 11211222230310 is 1303222211211.

It is a super-2 number, since 2×11211222230310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211222230317) 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 63 ways as a sum of consecutive naturals, for example, 71093209 + ... + 71250731.

It is an arithmetic number, because the mean of its divisors is an integer number (219394386432).

Almost surely, 2^{11211222230310} is an apocalyptic number.

11211222230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211222230310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14041240731648).

11211222230310 is an abundant number, since it is smaller than the sum of its proper divisors (16871259232986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211222230310 is a wasteful number, since it uses less digits than its factorization.

11211222230310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158410.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11211222230310 its reverse (1303222211211), we get a palindrome (12514444441521).

The spelling of 11211222230310 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, two hundred thirty thousand, three hundred ten".