22021120221132 has 48 divisors (see below), whose sum is σ = 54107047733760. Its totient is φ = 6951455506368.

The previous prime is 22021120221131. The next prime is 22021120221181. The reversal of 22021120221132 is 23112202112022.

It is a super-2 number, since 2×22021120221132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22021120221099 and 22021120221108.

It is not an unprimeable number, because it can be changed into a prime (22021120221131) 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, 17318388 + ... + 18546395.

It is an arithmetic number, because the mean of its divisors is an integer number (1127230161120).

Almost surely, 2^{22021120221132} is an apocalyptic number.

It is an amenable number.

22021120221132 is an abundant number, since it is smaller than the sum of its proper divisors (32085927512628).

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

22021120221132 is a wasteful number, since it uses less digits than its factorization.

22021120221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35867502 (or 35867500 counting only the distinct ones).

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

Adding to 22021120221132 its reverse (23112202112022), we get a palindrome (45133322333154).

The spelling of 22021120221132 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred thirty-two".