21404114302 has 4 divisors (see below), whose sum is σ = 32106171456. Its totient is φ = 10702057150.

The previous prime is 21404114293. The next prime is 21404114323. The reversal of 21404114302 is 20341140412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×21404114302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5351028574 + ... + 5351028577.

It is an arithmetic number, because the mean of its divisors is an integer number (8026542864).

Almost surely, 2^21404114302 is an apocalyptic number.

21404114302 is a deficient number, since it is larger than the sum of its proper divisors (10702057154).

21404114302 is a wasteful number, since it uses less digits than its factorization.

21404114302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702057153.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21404114302 its reverse (20341140412), we get a palindrome (41745254714).

The spelling of 21404114302 in words is "twenty-one billion, four hundred four million, one hundred fourteen thousand, three hundred two".