211012111211113 has 4 divisors (see below), whose sum is σ = 211027987540048. Its totient is φ = 210996234882180.

The previous prime is 211012111211089. The next prime is 211012111211119. The reversal of 211012111211113 is 311112111210112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211012111211113 - 2⁵ = 211012111211081 is a prime.

It is a super-2 number, since 2×211012111211113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211012111211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7938144531 + ... + 7938171112.

It is an arithmetic number, because the mean of its divisors is an integer number (52756996885012).

Almost surely, 2^{211012111211113} is an apocalyptic number.

It is an amenable number.

211012111211113 is a deficient number, since it is larger than the sum of its proper divisors (15876328935).

211012111211113 is a wasteful number, since it uses less digits than its factorization.

211012111211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15876328934.

The product of its (nonzero) digits is 24, while the sum is 19.

Adding to 211012111211113 its reverse (311112111210112), we get a palindrome (522124222421225).

The spelling of 211012111211113 in words is "two hundred eleven trillion, twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred thirteen".