2213102312766 has 96 divisors (see below), whose sum is σ = 5122431774720. Its totient is φ = 689015073600.

The previous prime is 2213102312647. The next prime is 2213102312791. The reversal of 2213102312766 is 6672132013122.

2213102312766 is a `hidden beast` number, since 2 + 21 + 310 + 2 + 312 + 7 + 6 + 6 = 666.

2213102312766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2213102312766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43196521 + ... + 43247723.

It is an arithmetic number, because the mean of its divisors is an integer number (53358664320).

Almost surely, 2^{2213102312766} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213102312766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561215887360).

2213102312766 is an abundant number, since it is smaller than the sum of its proper divisors (2909329461954).

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

2213102312766 is a wasteful number, since it uses less digits than its factorization.

2213102312766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53942 (or 53939 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 2213102312766 its reverse (6672132013122), we get a palindrome (8885234325888).

The spelling of 2213102312766 in words is "two trillion, two hundred thirteen billion, one hundred two million, three hundred twelve thousand, seven hundred sixty-six".