21111340314 has 16 divisors (see below), whose sum is σ = 42267277728. Its totient is φ = 7029680592.

The previous prime is 21111340309. The next prime is 21111340343. The reversal of 21111340314 is 41304311112.

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, 1852057 + ... + 1863420.

It is an arithmetic number, because the mean of its divisors is an integer number (2641704858).

Almost surely, 2^21111340314 is an apocalyptic number.

21111340314 is an abundant number, since it is smaller than the sum of its proper divisors (21155937414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21111340314 is a wasteful number, since it uses less digits than its factorization.

21111340314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716429.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21111340314 its reverse (41304311112), we get a palindrome (62415651426).

The spelling of 21111340314 in words is "twenty-one billion, one hundred eleven million, three hundred forty thousand, three hundred fourteen".