21113022366206 has 8 divisors (see below), whose sum is σ = 31669574351184. Its totient is φ = 10556497582480.

The previous prime is 21113022366199. The next prime is 21113022366217. The reversal of 21113022366206 is 60266322031112.

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

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 in 3 ways as a sum of consecutive naturals, for example, 4734335 + ... + 8039898.

It is an arithmetic number, because the mean of its divisors is an integer number (3958696793898).

Almost surely, 2^{21113022366206} is an apocalyptic number.

21113022366206 is a deficient number, since it is larger than the sum of its proper divisors (10556551984978).

21113022366206 is a wasteful number, since it uses less digits than its factorization.

21113022366206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600626.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 21113022366206 its reverse (60266322031112), we get a palindrome (81379344397318).

The spelling of 21113022366206 in words is "twenty-one trillion, one hundred thirteen billion, twenty-two million, three hundred sixty-six thousand, two hundred six".