21110002310 has 16 divisors (see below), whose sum is σ = 38042254800. Its totient is φ = 8434167456.

The previous prime is 21110002279. The next prime is 21110002351. The reversal of 21110002310 is 1320001112.

It is a super-2 number, since 2×21110002310² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21110002291 and 21110002300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220165 + ... + 1237344.

It is an arithmetic number, because the mean of its divisors is an integer number (2377640925).

Almost surely, 2^21110002310 is an apocalyptic number.

21110002310 is a deficient number, since it is larger than the sum of its proper divisors (16932252490).

21110002310 is a wasteful number, since it uses less digits than its factorization.

21110002310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458375.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 21110002310 its reverse (1320001112), we get a palindrome (22430003422).

The spelling of 21110002310 in words is "twenty-one billion, one hundred ten million, two thousand, three hundred ten".