22021131303132 has 192 divisors, whose sum is σ = 56179804262400. Its totient is φ = 6672775449600.

The previous prime is 22021131303103. The next prime is 22021131303137. The reversal of 22021131303132 is 23130313112022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021131303137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13452125818 + ... + 13452127454.

It is an arithmetic number, because the mean of its divisors is an integer number (292603147200).

Almost surely, 2^{22021131303132} 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 22021131303132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28089902131200).

22021131303132 is an abundant number, since it is smaller than the sum of its proper divisors (34158672959268).

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

22021131303132 is a wasteful number, since it uses less digits than its factorization.

22021131303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 22021131303132 its reverse (23130313112022), we get a palindrome (45151444415154).

The spelling of 22021131303132 in words is "twenty-two trillion, twenty-one billion, one hundred thirty-one million, three hundred three thousand, one hundred thirty-two".