21102213314 has 128 divisors (see below), whose sum is σ = 42198589440. Its totient is φ = 7681879296.

The previous prime is 21102213233. The next prime is 21102213331. The reversal of 21102213314 is 41331220112.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25516169 + ... + 25516995.

It is an arithmetic number, because the mean of its divisors is an integer number (329676480).

Almost surely, 2^21102213314 is an apocalyptic number.

21102213314 is a deficient number, since it is larger than the sum of its proper divisors (21096376126).

21102213314 is a wasteful number, since it uses less digits than its factorization.

21102213314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21102213314 its reverse (41331220112), we get a palindrome (62433433426).

The spelling of 21102213314 in words is "twenty-one billion, one hundred two million, two hundred thirteen thousand, three hundred fourteen".