111211012110213 has 24 divisors (see below), whose sum is σ = 161104422652992. Its totient is φ = 73925677657728.

The previous prime is 111211012110199. The next prime is 111211012110217. The reversal of 111211012110213 is 312011210112111.

111211012110213 is a `hidden beast` number, since 111 + 211 + 0 + 121 + 10 + 213 = 666.

It is not a de Polignac number, because 111211012110213 - 2⁵ = 111211012110181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211012110217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2788681 + ... + 15172302.

It is an arithmetic number, because the mean of its divisors is an integer number (6712684277208).

Almost surely, 2^{111211012110213} is an apocalyptic number.

It is an amenable number.

111211012110213 is a deficient number, since it is larger than the sum of its proper divisors (49893410542779).

111211012110213 is a wasteful number, since it uses less digits than its factorization.

111211012110213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17962985 (or 17962982 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 111211012110213 its reverse (312011210112111), we get a palindrome (423222222222324).

The spelling of 111211012110213 in words is "one hundred eleven trillion, two hundred eleven billion, twelve million, one hundred ten thousand, two hundred thirteen".