21110000321003 has 4 divisors (see below), whose sum is σ = 23029091259288. Its totient is φ = 19190909382720.

The previous prime is 21110000320991. The next prime is 21110000321057. The reversal of 21110000321003 is 30012300001112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21110000321003 - 2¹⁰ = 21110000319979 is a prime.

It is a super-2 number, since 2×21110000321003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21110000321093) 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 in 3 ways as a sum of consecutive naturals, for example, 959545469126 + ... + 959545469147.

It is an arithmetic number, because the mean of its divisors is an integer number (5757272814822).

Almost surely, 2^{21110000321003} is an apocalyptic number.

21110000321003 is a deficient number, since it is larger than the sum of its proper divisors (1919090938285).

21110000321003 is a wasteful number, since it uses less digits than its factorization.

21110000321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919090938284.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21110000321003 its reverse (30012300001112), we get a palindrome (51122300322115).

The spelling of 21110000321003 in words is "twenty-one trillion, one hundred ten billion, three hundred twenty-one thousand, three".