201121221201122 has 48 divisors (see below), whose sum is σ = 320175259657344. Its totient is φ = 94735490436000.

The previous prime is 201121221201119. The next prime is 201121221201143. The reversal of 201121221201122 is 221102122121102.

It is a junction number, because it is equal to n+sod(n) for n = 201121221201094 and 201121221201103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2510491847 + ... + 2510571957.

It is an arithmetic number, because the mean of its divisors is an integer number (6670317909528).

Almost surely, 2^{201121221201122} is an apocalyptic number.

201121221201122 is a deficient number, since it is larger than the sum of its proper divisors (119054038456222).

201121221201122 is a wasteful number, since it uses less digits than its factorization.

201121221201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99543 (or 99524 counting only the distinct ones).

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

Adding to 201121221201122 its reverse (221102122121102), we get a palindrome (422223343322224).

The spelling of 201121221201122 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-two".