2311211043204 has 192 divisors, whose sum is σ = 6414823489536. Its totient is φ = 633959415936.

The previous prime is 2311211043199. The next prime is 2311211043217. The reversal of 2311211043204 is 4023401121132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112037539 + ... + 112058165.

It is an arithmetic number, because the mean of its divisors is an integer number (33410539008).

Almost surely, 2^{2311211043204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311211043204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3207411744768).

2311211043204 is an abundant number, since it is smaller than the sum of its proper divisors (4103612446332).

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

2311211043204 is a wasteful number, since it uses less digits than its factorization.

2311211043204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21214 (or 21212 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2311211043204 its reverse (4023401121132), we get a palindrome (6334612164336).

The spelling of 2311211043204 in words is "two trillion, three hundred eleven billion, two hundred eleven million, forty-three thousand, two hundred four".