2011241043243 has 16 divisors (see below), whose sum is σ = 2979746611200. Its totient is φ = 1340768749320.

The previous prime is 2011241043179. The next prime is 2011241043353. The reversal of 2011241043243 is 3423401421102.

2011241043243 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 2 + 410 + 4 + 3 + 243 = 666.

It is not a de Polignac number, because 2011241043243 - 2⁶ = 2011241043179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2011241043143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 994563 + ... + 2238668.

It is an arithmetic number, because the mean of its divisors is an integer number (186234163200).

Almost surely, 2^{2011241043243} is an apocalyptic number.

2011241043243 is a deficient number, since it is larger than the sum of its proper divisors (968505567957).

2011241043243 is a wasteful number, since it uses less digits than its factorization.

2011241043243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256279 (or 3256273 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2011241043243 its reverse (3423401421102), we get a palindrome (5434642464345).

The spelling of 2011241043243 in words is "two trillion, eleven billion, two hundred forty-one million, forty-three thousand, two hundred forty-three".