11232421122 has 64 divisors (see below), whose sum is σ = 24739053696. Its totient is φ = 3378585600.

The previous prime is 11232421103. The next prime is 11232421127. The reversal of 11232421122 is 22112423211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11232421127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165122 + ... + 1174722.

It is an arithmetic number, because the mean of its divisors is an integer number (386547714).

Almost surely, 2^11232421122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11232421122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12369526848).

11232421122 is an abundant number, since it is smaller than the sum of its proper divisors (13506632574).

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

11232421122 is a wasteful number, since it uses less digits than its factorization.

11232421122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9955.

The product of its digits is 384, while the sum is 21.

Adding to 11232421122 its reverse (22112423211), we get a palindrome (33344844333).

The spelling of 11232421122 in words is "eleven billion, two hundred thirty-two million, four hundred twenty-one thousand, one hundred twenty-two".