22021523121132 has 36 divisors (see below), whose sum is σ = 55841117806656. Its totient is φ = 7317351527520.

The previous prime is 22021523121109. The next prime is 22021523121149. The reversal of 22021523121132 is 23112132512022.

22021523121132 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 1 + 523 + 1 + 2 + 1 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×22021523121132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22021523121096 and 22021523121105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964829244 + ... + 964852067.

It is an arithmetic number, because the mean of its divisors is an integer number (1551142161296).

Almost surely, 2^{22021523121132} is an apocalyptic number.

It is an amenable number.

22021523121132 is an abundant number, since it is smaller than the sum of its proper divisors (33819594685524).

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

22021523121132 is a wasteful number, since it uses less digits than its factorization.

22021523121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929681638 (or 1929681633 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 22021523121132 its reverse (23112132512022), we get a palindrome (45133655633154).

The spelling of 22021523121132 in words is "twenty-two trillion, twenty-one billion, five hundred twenty-three million, one hundred twenty-one thousand, one hundred thirty-two".