212211202211122 has 8 divisors (see below), whose sum is σ = 318317045624172. Its totient is φ = 106105520336400.

The previous prime is 212211202211083. The next prime is 212211202211123. The reversal of 212211202211122 is 221112202112212.

It can be written as a sum of positive squares in 2 ways, for example, as 209897247084561 + 2313955126561 = 14487831^2 + 1521169^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 212211202211093 and 212211202211102.

It is not an unprimeable number, because it can be changed into a prime (212211202211123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37045129 + ... + 42388252.

Almost surely, 2^{212211202211122} is an apocalyptic number.

212211202211122 is a deficient number, since it is larger than the sum of its proper divisors (106105843413050).

212211202211122 is a wasteful number, since it uses less digits than its factorization.

212211202211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80769164.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212211202211122 its reverse (221112202112212), we get a palindrome (433323404323334).

The spelling of 212211202211122 in words is "two hundred twelve trillion, two hundred eleven billion, two hundred two million, two hundred eleven thousand, one hundred twenty-two".