212202222011111 has 4 divisors (see below), whose sum is σ = 212203279011672. Its totient is φ = 212201165010552.

The previous prime is 212202222011071. The next prime is 212202222011147. The reversal of 212202222011111 is 111110222202212.

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 212202222011111 - 2¹⁴ = 212202221994727 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 (212202222011711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528199085 + ... + 528600678.

It is an arithmetic number, because the mean of its divisors is an integer number (53050819752918).

Almost surely, 2^{212202222011111} is an apocalyptic number.

212202222011111 is a deficient number, since it is larger than the sum of its proper divisors (1057000561).

212202222011111 is a wasteful number, since it uses less digits than its factorization.

212202222011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057000560.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212202222011111 its reverse (111110222202212), we get a palindrome (323312444213323).

The spelling of 212202222011111 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, eleven thousand, one hundred eleven".