21443020214110 has 32 divisors (see below), whose sum is σ = 42150477334752. Its totient is φ = 7789279841280.

The previous prime is 21443020214087. The next prime is 21443020214183. The reversal of 21443020214110 is 1141202034412.

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 15 ways as a sum of consecutive naturals, for example, 102170379 + ... + 102380038.

It is an arithmetic number, because the mean of its divisors is an integer number (1317202416711).

Almost surely, 2^{21443020214110} is an apocalyptic number.

21443020214110 is a deficient number, since it is larger than the sum of its proper divisors (20707457120642).

21443020214110 is a wasteful number, since it uses less digits than its factorization.

21443020214110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204551388.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21443020214110 its reverse (1141202034412), we get a palindrome (22584222248522).

The spelling of 21443020214110 in words is "twenty-one trillion, four hundred forty-three billion, twenty million, two hundred fourteen thousand, one hundred ten".