201122102112212 has 6 divisors (see below), whose sum is σ = 351963678696378. Its totient is φ = 100561051056104.

The previous prime is 201122102112157. The next prime is 201122102112227. The reversal of 201122102112212 is 212211201221102.

It can be written as a sum of positive squares in only one way, i.e., 178330224073156 + 22791878039056 = 13354034^2 + 4774084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25140262764023 + ... + 25140262764030.

It is an arithmetic number, because the mean of its divisors is an integer number (58660613116063).

Almost surely, 2^{201122102112212} is an apocalyptic number.

It is an amenable number.

201122102112212 is a deficient number, since it is larger than the sum of its proper divisors (150841576584166).

201122102112212 is a wasteful number, since it uses less digits than its factorization.

201122102112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50280525528057 (or 50280525528055 counting only the distinct ones).

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

Adding to 201122102112212 its reverse (212211201221102), we get a palindrome (413333303333314).

The spelling of 201122102112212 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred two million, one hundred twelve thousand, two hundred twelve".