201122002101222 has 40 divisors (see below), whose sum is σ = 450893255072832. Its totient is φ = 67006305054000.

The previous prime is 201122002101157. The next prime is 201122002101263. The reversal of 201122002101222 is 222101200221102.

It is a happy number.

201122002101222 is a `hidden beast` number, since 2 + 0 + 11 + 220 + 0 + 210 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201122002101195 and 201122002101204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 317852529 + ... + 318484652.

Almost surely, 2^{201122002101222} is an apocalyptic number.

201122002101222 is an abundant number, since it is smaller than the sum of its proper divisors (249771252971610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201122002101222 is a wasteful number, since it uses less digits than its factorization.

201122002101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636339146 (or 636339137 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201122002101222 its reverse (222101200221102), we get a palindrome (423223202322324).

The spelling of 201122002101222 in words is "two hundred one trillion, one hundred twenty-two billion, two million, one hundred one thousand, two hundred twenty-two".