21100440314 has 16 divisors (see below), whose sum is σ = 31881765888. Its totient is φ = 10473350352.

The previous prime is 21100440269. The next prime is 21100440323. The reversal of 21100440314 is 41304400112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217319 + ... + 299045.

It is an arithmetic number, because the mean of its divisors is an integer number (1992610368).

Almost surely, 2^21100440314 is an apocalyptic number.

21100440314 is a deficient number, since it is larger than the sum of its proper divisors (10781325574).

21100440314 is a wasteful number, since it uses less digits than its factorization.

21100440314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82669.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21100440314 its reverse (41304400112), we get a palindrome (62404840426).

The spelling of 21100440314 in words is "twenty-one billion, one hundred million, four hundred forty thousand, three hundred fourteen".