21113002310 has 16 divisors (see below), whose sum is σ = 38011962096. Its totient is φ = 8443299168.

The previous prime is 21113002307. The next prime is 21113002349. The reversal of 21113002310 is 1320031112.

It is a super-2 number, since 2×21113002310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190649 + ... + 280308.

It is an arithmetic number, because the mean of its divisors is an integer number (2375747631).

Almost surely, 2^21113002310 is an apocalyptic number.

21113002310 is a deficient number, since it is larger than the sum of its proper divisors (16898959786).

21113002310 is a wasteful number, since it uses less digits than its factorization.

21113002310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475447.

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

Adding to 21113002310 its reverse (1320031112), we get a palindrome (22433033422).

The spelling of 21113002310 in words is "twenty-one billion, one hundred thirteen million, two thousand, three hundred ten".