212001002111 has 8 divisors (see below), whose sum is σ = 225345084480. Its totient is φ = 198753968128.

The previous prime is 212001002069. The next prime is 212001002149. The reversal of 212001002111 is 111200100212.

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 212001002111 - 2⁶ = 212001002047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212001002092 and 212001002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001002011) 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, 24257591 + ... + 24266328.

It is an arithmetic number, because the mean of its divisors is an integer number (28168135560).

Almost surely, 2^212001002111 is an apocalyptic number.

212001002111 is a deficient number, since it is larger than the sum of its proper divisors (13344082369).

212001002111 is a wasteful number, since it uses less digits than its factorization.

212001002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48524193.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212001002111 its reverse (111200100212), we get a palindrome (323201102323).

It can be divided in two parts, 21200100211 and 1, that added together give a palindrome (21200100212).

The spelling of 212001002111 in words is "two hundred twelve billion, one million, two thousand, one hundred eleven".