201122120021222 has 16 divisors (see below), whose sum is σ = 304877260364544. Its totient is φ = 99497720280000.

The previous prime is 201122120021209. The next prime is 201122120021237. The reversal of 201122120021222 is 222120021221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122120021194 and 201122120021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338130479 + ... + 338724762.

It is an arithmetic number, because the mean of its divisors is an integer number (19054828772784).

Almost surely, 2^{201122120021222} is an apocalyptic number.

201122120021222 is a deficient number, since it is larger than the sum of its proper divisors (103755140343322).

201122120021222 is a wasteful number, since it uses less digits than its factorization.

201122120021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676856815.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201122120021222 its reverse (222120021221102), we get a palindrome (423242141242324).

The spelling of 201122120021222 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred twenty-two".