21122322322112 has 112 divisors (see below), whose sum is σ = 48134500022400. Its totient is φ = 9095190312960.

The previous prime is 21122322322109. The next prime is 21122322322177.

21122322322112 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287854964 + ... + 287928332.

Almost surely, 2^{21122322322112} is an apocalyptic number.

21122322322112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21122322322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24067250011200).

21122322322112 is an abundant number, since it is smaller than the sum of its proper divisors (27012177700288).

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

21122322322112 is a wasteful number, since it uses less digits than its factorization.

21122322322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94934 (or 94924 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

It can be divided in two parts, 2112232 and 2322112, that added together give a palindrome (4434344).

The spelling of 21122322322112 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred twenty-two million, three hundred twenty-two thousand, one hundred twelve".