21003411442335 has 32 divisors (see below), whose sum is σ = 38779114183680. Its totient is φ = 9508340487168.

The previous prime is 21003411442319. The next prime is 21003411442339. The reversal of 21003411442335 is 53324411430012.

It is not a de Polignac number, because 21003411442335 - 2⁴ = 21003411442319 is a prime.

It is a super-2 number, since 2×21003411442335² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21003411442296 and 21003411442305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21003411442339) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 971020690 + ... + 971042319.

It is an arithmetic number, because the mean of its divisors is an integer number (1211847318240).

Almost surely, 2^{21003411442335} is an apocalyptic number.

21003411442335 is a deficient number, since it is larger than the sum of its proper divisors (17775702741345).

21003411442335 is a wasteful number, since it uses less digits than its factorization.

21003411442335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942063127.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 21003411442335 its reverse (53324411430012), we get a palindrome (74327822872347).

The spelling of 21003411442335 in words is "twenty-one trillion, three billion, four hundred eleven million, four hundred forty-two thousand, three hundred thirty-five".