21650112014 has 16 divisors (see below), whose sum is σ = 33946728480. Its totient is φ = 10336191360.

The previous prime is 21650111981. The next prime is 21650112047. The reversal of 21650112014 is 41021105612.

It is an interprime number because it is at equal distance from previous prime (21650111981) and next prime (21650112047).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387407 + ... + 439754.

It is an arithmetic number, because the mean of its divisors is an integer number (2121670530).

Almost surely, 2^21650112014 is an apocalyptic number.

21650112014 is a deficient number, since it is larger than the sum of its proper divisors (12296616466).

21650112014 is a wasteful number, since it uses less digits than its factorization.

21650112014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827755.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 21650112014 its reverse (41021105612), we get a palindrome (62671217626).

The spelling of 21650112014 in words is "twenty-one billion, six hundred fifty million, one hundred twelve thousand, fourteen".