21322114030406 has 12 divisors (see below), whose sum is σ = 37204913257308. Its totient is φ = 9138048870132.

The previous prime is 21322114030381. The next prime is 21322114030433. The reversal of 21322114030406 is 60403041122312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108786295976 + ... + 108786296171.

It is an arithmetic number, because the mean of its divisors is an integer number (3100409438109).

Almost surely, 2^{21322114030406} is an apocalyptic number.

21322114030406 is a deficient number, since it is larger than the sum of its proper divisors (15882799226902).

21322114030406 is a wasteful number, since it uses less digits than its factorization.

21322114030406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217572592163 (or 217572592156 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 21322114030406 its reverse (60403041122312), we get a palindrome (81725155152718).

The spelling of 21322114030406 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred fourteen million, thirty thousand, four hundred six".