21403214114 has 8 divisors (see below), whose sum is σ = 33211884060. Its totient is φ = 10332586096.

The previous prime is 21403214113. The next prime is 21403214123. The reversal of 21403214114 is 41141230412.

It can be written as a sum of positive squares in 2 ways, for example, as 19186405225 + 2216808889 = 138515^2 + 47083^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 21403214114.

It is not an unprimeable number, because it can be changed into a prime (21403214113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184510409 + ... + 184510524.

Almost surely, 2^21403214114 is an apocalyptic number.

21403214114 is a deficient number, since it is larger than the sum of its proper divisors (11808669946).

21403214114 is a wasteful number, since it uses less digits than its factorization.

21403214114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369020964.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21403214114 its reverse (41141230412), we get a palindrome (62544444526).

The spelling of 21403214114 in words is "twenty-one billion, four hundred three million, two hundred fourteen thousand, one hundred fourteen".