22021130021232 has 40 divisors (see below), whose sum is σ = 56891765614096. Its totient is φ = 7339880365056.

The previous prime is 22021130021167. The next prime is 22021130021243. The reversal of 22021130021232 is 23212003112022.

It is a junction number, because it is equal to n+sod(n) for n = 22021130021199 and 22021130021208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14791993 + ... + 16212504.

Almost surely, 2^{22021130021232} is an apocalyptic number.

It is an amenable number.

22021130021232 is an abundant number, since it is smaller than the sum of its proper divisors (34870635592864).

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

22021130021232 is a wasteful number, since it uses less digits than its factorization.

22021130021232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31019305 (or 31019299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22021130021232 its reverse (23212003112022), we get a palindrome (45233133133254).

The spelling of 22021130021232 in words is "twenty-two trillion, twenty-one billion, one hundred thirty million, twenty-one thousand, two hundred thirty-two".