2211430043394 has 192 divisors, whose sum is σ = 5840851580928. Its totient is φ = 618235156800.

The previous prime is 2211430043363. The next prime is 2211430043399. The reversal of 2211430043394 is 4933400341122.

2211430043394 is a `hidden beast` number, since 2 + 2 + 1 + 14 + 300 + 4 + 339 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (2211430043399) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139752567 + ... + 139768389.

It is an arithmetic number, because the mean of its divisors is an integer number (30421101984).

Almost surely, 2^{2211430043394} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211430043394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920425790464).

2211430043394 is an abundant number, since it is smaller than the sum of its proper divisors (3629421537534).

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

2211430043394 is a wasteful number, since it uses less digits than its factorization.

2211430043394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875 (or 17863 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 2211430043394 in words is "two trillion, two hundred eleven billion, four hundred thirty million, forty-three thousand, three hundred ninety-four".