211112110011121 has 8 divisors (see below), whose sum is σ = 235660029780384. Its totient is φ = 187456841869920.

The previous prime is 211112110011083. The next prime is 211112110011161. The reversal of 211112110011121 is 121110011211112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211112110011121 - 2¹⁹ = 211112109486833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211112110011095 and 211112110011104.

It is not an unprimeable number, because it can be changed into a prime (211112110011161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223162906516 + ... + 223162907461.

It is an arithmetic number, because the mean of its divisors is an integer number (29457503722548).

Almost surely, 2^{211112110011121} is an apocalyptic number.

It is an amenable number.

211112110011121 is a deficient number, since it is larger than the sum of its proper divisors (24547919769263).

211112110011121 is a wasteful number, since it uses less digits than its factorization.

211112110011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446325814031.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 211112110011121 its reverse (121110011211112), we get a palindrome (332222121222233).

The spelling of 211112110011121 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred ten million, eleven thousand, one hundred twenty-one".