212211133322101 has 16 divisors (see below), whose sum is σ = 219606533792640. Its totient is φ = 204820930843200.

The previous prime is 212211133322093. The next prime is 212211133322189. The reversal of 212211133322101 is 101223331112212.

It is a cyclic number.

It is not a de Polignac number, because 212211133322101 - 2³ = 212211133322093 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 (212211133362101) 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 15 ways as a sum of consecutive naturals, for example, 963824376 + ... + 964044526.

It is an arithmetic number, because the mean of its divisors is an integer number (13725408362040).

Almost surely, 2^{212211133322101} is an apocalyptic number.

It is an amenable number.

212211133322101 is a deficient number, since it is larger than the sum of its proper divisors (7395400470539).

212211133322101 is a wasteful number, since it uses less digits than its factorization.

212211133322101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231804.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 212211133322101 its reverse (101223331112212), we get a palindrome (313434464434313).

The spelling of 212211133322101 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred thirty-three million, three hundred twenty-two thousand, one hundred one".