212210002222111 has 4 divisors (see below), whose sum is σ = 224692943529312. Its totient is φ = 199727060914912.

The previous prime is 212210002222093. The next prime is 212210002222133. The reversal of 212210002222111 is 111222200012212.

212210002222111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212210002222111 - 2¹⁵ = 212210002189343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210002282111) 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, 6241470653575 + ... + 6241470653608.

It is an arithmetic number, because the mean of its divisors is an integer number (56173235882328).

Almost surely, 2^{212210002222111} is an apocalyptic number.

212210002222111 is a deficient number, since it is larger than the sum of its proper divisors (12482941307201).

212210002222111 is a wasteful number, since it uses less digits than its factorization.

212210002222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482941307200.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212210002222111 its reverse (111222200012212), we get a palindrome (323432202234323).

The spelling of 212210002222111 in words is "two hundred twelve trillion, two hundred ten billion, two million, two hundred twenty-two thousand, one hundred eleven".