21043211033132 has 6 divisors (see below), whose sum is σ = 36825619307988. Its totient is φ = 10521605516564.

The previous prime is 21043211033093. The next prime is 21043211033137. The reversal of 21043211033132 is 23133011234012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21043211033137) by changing a digit.

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 as a sum of consecutive naturals, namely, 2630401379138 + ... + 2630401379145.

It is an arithmetic number, because the mean of its divisors is an integer number (6137603217998).

Almost surely, 2^{21043211033132} is an apocalyptic number.

It is an amenable number.

21043211033132 is a deficient number, since it is larger than the sum of its proper divisors (15782408274856).

21043211033132 is a wasteful number, since it uses less digits than its factorization.

21043211033132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260802758287 (or 5260802758285 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21043211033132 its reverse (23133011234012), we get a palindrome (44176222267144).

The spelling of 21043211033132 in words is "twenty-one trillion, forty-three billion, two hundred eleven million, thirty-three thousand, one hundred thirty-two".