21214036533104 has 40 divisors (see below), whose sum is σ = 41387449426560. Its totient is φ = 10533563945408.

The previous prime is 21214036533097. The next prime is 21214036533139. The reversal of 21214036533104 is 40133563041212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2856662 + ... + 7112565.

It is an arithmetic number, because the mean of its divisors is an integer number (1034686235664).

Almost surely, 2^{21214036533104} is an apocalyptic number.

It is an amenable number.

21214036533104 is a deficient number, since it is larger than the sum of its proper divisors (20173412893456).

21214036533104 is a wasteful number, since it uses less digits than its factorization.

21214036533104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9970157 (or 9970151 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 21214036533104 its reverse (40133563041212), we get a palindrome (61347599574316).

The spelling of 21214036533104 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-three thousand, one hundred four".