212112000010111 has 4 divisors (see below), whose sum is σ = 224589176481312. Its totient is φ = 199634823538912.

The previous prime is 212112000010087. The next prime is 212112000010151. The reversal of 212112000010111 is 111010000211212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212112000010111 - 2¹³ = 212112000001919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212112000010091 and 212112000010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112000010151) 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, 6238588235575 + ... + 6238588235608.

It is an arithmetic number, because the mean of its divisors is an integer number (56147294120328).

Almost surely, 2^{212112000010111} is an apocalyptic number.

212112000010111 is a deficient number, since it is larger than the sum of its proper divisors (12477176471201).

212112000010111 is a wasteful number, since it uses less digits than its factorization.

212112000010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477176471200.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212112000010111 its reverse (111010000211212), we get a palindrome (323122000221323).

The spelling of 212112000010111 in words is "two hundred twelve trillion, one hundred twelve billion, ten thousand, one hundred eleven".