21124420132034 has 8 divisors (see below), whose sum is σ = 31689421267980. Its totient is φ = 10561279709376.

The previous prime is 21124420132027. The next prime is 21124420132087. The reversal of 21124420132034 is 43023102442112.

It can be written as a sum of positive squares in 2 ways, for example, as 17686188195025 + 3438231937009 = 4205495^2 + 1854247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21124420132034² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21124420131988 and 21124420132006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465149939 + ... + 465195350.

Almost surely, 2^{21124420132034} is an apocalyptic number.

21124420132034 is a deficient number, since it is larger than the sum of its proper divisors (10565001135946).

21124420132034 is a wasteful number, since it uses less digits than its factorization.

21124420132034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930356644.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21124420132034 its reverse (43023102442112), we get a palindrome (64147522574146).

The spelling of 21124420132034 in words is "twenty-one trillion, one hundred twenty-four billion, four hundred twenty million, one hundred thirty-two thousand, thirty-four".