21062110363 has 24 divisors (see below), whose sum is σ = 24688628880. Its totient is φ = 17915204160.

The previous prime is 21062110361. The next prime is 21062110379. The reversal of 21062110363 is 36301126012.

It is not a de Polignac number, because 21062110363 - 2¹ = 21062110361 is a prime.

It is a super-2 number, since 2×21062110363² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21062110361) 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 23 ways as a sum of consecutive naturals, for example, 6619633 + ... + 6622813.

It is an arithmetic number, because the mean of its divisors is an integer number (1028692870).

Almost surely, 2^21062110363 is an apocalyptic number.

21062110363 is a deficient number, since it is larger than the sum of its proper divisors (3626518517).

21062110363 is a wasteful number, since it uses less digits than its factorization.

21062110363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187 (or 4180 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 21062110363 its reverse (36301126012), we get a palindrome (57363236375).

The spelling of 21062110363 in words is "twenty-one billion, sixty-two million, one hundred ten thousand, three hundred sixty-three".