22120121113232 has 160 divisors (see below), whose sum is σ = 47060181705600. Its totient is φ = 10025590579200.

The previous prime is 22120121113217. The next prime is 22120121113247. The reversal of 22120121113232 is 23231112102122.

It is an interprime number because it is at equal distance from previous prime (22120121113217) and next prime (22120121113247).

It is a junction number, because it is equal to n+sod(n) for n = 22120121113198 and 22120121113207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6787393619 + ... + 6787396877.

It is an arithmetic number, because the mean of its divisors is an integer number (294126135660).

Almost surely, 2^{22120121113232} 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 22120121113232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23530090852800).

22120121113232 is an abundant number, since it is smaller than the sum of its proper divisors (24940060592368).

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

22120121113232 is a wasteful number, since it uses less digits than its factorization.

22120121113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5179 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22120121113232 its reverse (23231112102122), we get a palindrome (45351233215354).

The spelling of 22120121113232 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred thirty-two".