11234312222144 has 112 divisors (see below), whose sum is σ = 24560457742080. Its totient is φ = 5055978301440.

The previous prime is 11234312222143. The next prime is 11234312222207. The reversal of 11234312222144 is 44122221343211.

It is a super-2 number, since 2×11234312222144² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 11234312222144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234312222143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508950692 + ... + 508972764.

Almost surely, 2^{11234312222144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11234312222144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12280228871040).

11234312222144 is an abundant number, since it is smaller than the sum of its proper divisors (13326145519936).

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

11234312222144 is a wasteful number, since it uses less digits than its factorization.

11234312222144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29218 (or 29208 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 11234312222144 its reverse (44122221343211), we get a palindrome (55356533565355).

The spelling of 11234312222144 in words is "eleven trillion, two hundred thirty-four billion, three hundred twelve million, two hundred twenty-two thousand, one hundred forty-four".