212111002111 has 8 divisors (see below), whose sum is σ = 212674597200. Its totient is φ = 211547501760.

The previous prime is 212111002067. The next prime is 212111002139. The reversal of 212111002111 is 111200111212.

It is a happy number.

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 212111002111 - 2⁷ = 212111001983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212111002091 and 212111002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912111002111) 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, 8132251 + ... + 8158291.

It is an arithmetic number, because the mean of its divisors is an integer number (26584324650).

Almost surely, 2^212111002111 is an apocalyptic number.

212111002111 is a deficient number, since it is larger than the sum of its proper divisors (563595089).

212111002111 is a wasteful number, since it uses less digits than its factorization.

212111002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47369.

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

Adding to 212111002111 its reverse (111200111212), we get a palindrome (323311113323).

The spelling of 212111002111 in words is "two hundred twelve billion, one hundred eleven million, two thousand, one hundred eleven".