122211564606 has 96 divisors (see below), whose sum is σ = 271145102592. Its totient is φ = 39773306880.

The previous prime is 122211564551. The next prime is 122211564637. The reversal of 122211564606 is 606465112221.

122211564606 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 1 + 5 + 646 + 0 + 6 = 666.

It is a super-3 number, since 3×122211564606³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 56552166 + ... + 56554326.

It is an arithmetic number, because the mean of its divisors is an integer number (2824428152).

Almost surely, 2^122211564606 is an apocalyptic number.

122211564606 is an abundant number, since it is smaller than the sum of its proper divisors (148933537986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122211564606 is a wasteful number, since it uses less digits than its factorization.

122211564606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 122211564606 its reverse (606465112221), we get a palindrome (728676676827).

The spelling of 122211564606 in words is "one hundred twenty-two billion, two hundred eleven million, five hundred sixty-four thousand, six hundred six".