21301110310 has 16 divisors (see below), whose sum is σ = 38398148496. Its totient is φ = 8507966368.

The previous prime is 21301110307. The next prime is 21301110319. The reversal of 21301110310 is 1301110312.

It is a super-2 number, since 2×21301110310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301110319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552549 + ... + 1566208.

It is an arithmetic number, because the mean of its divisors is an integer number (2399884281).

Almost surely, 2^21301110310 is an apocalyptic number.

21301110310 is a deficient number, since it is larger than the sum of its proper divisors (17097038186).

21301110310 is a wasteful number, since it uses less digits than its factorization.

21301110310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119447.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 21301110310 its reverse (1301110312), we get a palindrome (22602220622).

The spelling of 21301110310 in words is "twenty-one billion, three hundred one million, one hundred ten thousand, three hundred ten".