212222011102111 has 4 divisors (see below), whose sum is σ = 212222459669224. Its totient is φ = 212221562535000.

The previous prime is 212222011102081. The next prime is 212222011102159. The reversal of 212222011102111 is 111201110222212.

It is a happy number.

212222011102111 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 212222011102111 - 2⁹ = 212222011101599 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 (212222011102811) 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, 223573140 + ... + 224520361.

It is an arithmetic number, because the mean of its divisors is an integer number (53055614917306).

Almost surely, 2^{212222011102111} is an apocalyptic number.

212222011102111 is a deficient number, since it is larger than the sum of its proper divisors (448567113).

212222011102111 is an equidigital number, since it uses as much as digits as its factorization.

212222011102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448567112.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212222011102111 its reverse (111201110222212), we get a palindrome (323423121324323).

The spelling of 212222011102111 in words is "two hundred twelve trillion, two hundred twenty-two billion, eleven million, one hundred two thousand, one hundred eleven".