2211610111606 has 8 divisors (see below), whose sum is σ = 3791331619920. Its totient is φ = 947832904968.

The previous prime is 2211610111577. The next prime is 2211610111631. The reversal of 2211610111606 is 6061110161122.

2211610111606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78986075401 + ... + 78986075428.

It is an arithmetic number, because the mean of its divisors is an integer number (473916452490).

Almost surely, 2^{2211610111606} is an apocalyptic number.

2211610111606 is a deficient number, since it is larger than the sum of its proper divisors (1579721508314).

2211610111606 is a wasteful number, since it uses less digits than its factorization.

2211610111606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157972150838.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 2211610111606 its reverse (6061110161122), we get a palindrome (8272720272728).

The spelling of 2211610111606 in words is "two trillion, two hundred eleven billion, six hundred ten million, one hundred eleven thousand, six hundred six".