211411121113 has 4 divisors (see below), whose sum is σ = 211473067428. Its totient is φ = 211349174800.

The previous prime is 211411121107. The next prime is 211411121137. The reversal of 211411121113 is 311121114112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103934022544 + 107477098569 = 322388^2 + 327837^2 .

It is a cyclic number.

It is not a de Polignac number, because 211411121113 - 2⁹ = 211411120601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211411121153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30968038 + ... + 30974863.

It is an arithmetic number, because the mean of its divisors is an integer number (52868266857).

Almost surely, 2^211411121113 is an apocalyptic number.

It is an amenable number.

211411121113 is a deficient number, since it is larger than the sum of its proper divisors (61946315).

211411121113 is an equidigital number, since it uses as much as digits as its factorization.

211411121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61946314.

The product of its digits is 48, while the sum is 19.

Adding to 211411121113 its reverse (311121114112), we get a palindrome (522532235225).

The spelling of 211411121113 in words is "two hundred eleven billion, four hundred eleven million, one hundred twenty-one thousand, one hundred thirteen".