21232214434113 has 16 divisors (see below), whose sum is σ = 28926201319680. Its totient is φ = 13846815455616.

The previous prime is 21232214434111. The next prime is 21232214434139. The reversal of 21232214434113 is 31143441223212.

It is not a de Polignac number, because 21232214434113 - 2¹ = 21232214434111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232214434111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36821620 + ... + 37393797.

It is an arithmetic number, because the mean of its divisors is an integer number (1807887582480).

Almost surely, 2^{21232214434113} is an apocalyptic number.

It is an amenable number.

21232214434113 is a deficient number, since it is larger than the sum of its proper divisors (7693986885567).

21232214434113 is a wasteful number, since it uses less digits than its factorization.

21232214434113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74217496.

The product of its digits is 27648, while the sum is 33.

Adding to 21232214434113 its reverse (31143441223212), we get a palindrome (52375655657325).

The spelling of 21232214434113 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred fourteen million, four hundred thirty-four thousand, one hundred thirteen".