2211443970918 has 256 divisors, whose sum is σ = 5792331202560. Its totient is φ = 546922100736.

The previous prime is 2211443970893. The next prime is 2211443970919. The reversal of 2211443970918 is 8190793441122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211443970919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 283769230 + ... + 283777022.

It is an arithmetic number, because the mean of its divisors is an integer number (22626293760).

Almost surely, 2^{2211443970918} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211443970918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2896165601280).

2211443970918 is an abundant number, since it is smaller than the sum of its proper divisors (3580887231642).

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

2211443970918 is a wasteful number, since it uses less digits than its factorization.

2211443970918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 2211443970918 in words is "two trillion, two hundred eleven billion, four hundred forty-three million, nine hundred seventy thousand, nine hundred eighteen".