21211113314 has 8 divisors (see below), whose sum is σ = 33200003520. Its totient is φ = 10144445476.

The previous prime is 21211113289. The next prime is 21211113347. The reversal of 21211113314 is 41331111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21211113314² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230555534 + ... + 230555625.

It is an arithmetic number, because the mean of its divisors is an integer number (4150000440).

Almost surely, 2^21211113314 is an apocalyptic number.

21211113314 is a deficient number, since it is larger than the sum of its proper divisors (11988890206).

21211113314 is a wasteful number, since it uses less digits than its factorization.

21211113314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461111184.

The product of its digits is 144, while the sum is 20.

Adding to 21211113314 its reverse (41331111212), we get a palindrome (62542224526).

The spelling of 21211113314 in words is "twenty-one billion, two hundred eleven million, one hundred thirteen thousand, three hundred fourteen".