2113043231211 has 16 divisors (see below), whose sum is σ = 3103948297728. Its totient is φ = 1267952732000.

The previous prime is 2113043231207. The next prime is 2113043231263. The reversal of 2113043231211 is 1121323403112.

It is a cyclic number.

It is not a de Polignac number, because 2113043231211 - 2² = 2113043231207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113043230211) 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, 316984851 + ... + 316991516.

It is an arithmetic number, because the mean of its divisors is an integer number (193996768608).

Almost surely, 2^{2113043231211} is an apocalyptic number.

2113043231211 is a deficient number, since it is larger than the sum of its proper divisors (990905066517).

2113043231211 is a wasteful number, since it uses less digits than its factorization.

2113043231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633976482.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 2113043231211 its reverse (1121323403112), we get a palindrome (3234366634323).

The spelling of 2113043231211 in words is "two trillion, one hundred thirteen billion, forty-three million, two hundred thirty-one thousand, two hundred eleven".