212211122210011 has 8 divisors (see below), whose sum is σ = 218401445314800. Its totient is φ = 206077852774752.

The previous prime is 212211122209949. The next prime is 212211122210027. The reversal of 212211122210011 is 110012221112212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212211122210011 - 2²³ = 212211113821403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211122220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14263409836 + ... + 14263424713.

It is an arithmetic number, because the mean of its divisors is an integer number (27300180664350).

Almost surely, 2^{212211122210011} is an apocalyptic number.

212211122210011 is a deficient number, since it is larger than the sum of its proper divisors (6190323104789).

212211122210011 is a wasteful number, since it uses less digits than its factorization.

212211122210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28526834765.

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

Adding to 212211122210011 its reverse (110012221112212), we get a palindrome (322223343322223).

The spelling of 212211122210011 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, eleven".