2211166101 has 8 divisors (see below), whose sum is σ = 2948534784. Its totient is φ = 1473954080.

The previous prime is 2211166091. The next prime is 2211166117. The reversal of 2211166101 is 1016611122.

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

It is a cyclic number.

It is not a de Polignac number, because 2211166101 - 2⁹ = 2211165589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211166301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (368566848).

Almost surely, 2^2211166101 is an apocalyptic number.

It is an amenable number.

2211166101 is a deficient number, since it is larger than the sum of its proper divisors (737368683).

2211166101 is a wasteful number, since it uses less digits than its factorization.

2211166101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78331.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2211166101 is about 47023.0379813980. The cubic root of 2211166101 is about 1302.7881187892.

Adding to 2211166101 its reverse (1016611122), we get a palindrome (3227777223).

The spelling of 2211166101 in words is "two billion, two hundred eleven million, one hundred sixty-six thousand, one hundred one".