201222444241044 has 144 divisors (see below), whose sum is σ = 526907977430016. Its totient is φ = 64703942553600.

The previous prime is 201222444240973. The next prime is 201222444241079. The reversal of 201222444241044 is 440142444222102.

201222444241044 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 224 + 4 + 424 + 1 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 154981479 + ... + 156274449.

Almost surely, 2^{201222444241044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201222444241044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263453988715008).

201222444241044 is an abundant number, since it is smaller than the sum of its proper divisors (325685533188972).

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

201222444241044 is a wasteful number, since it uses less digits than its factorization.

201222444241044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294206 (or 1294201 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 201222444241044 its reverse (440142444222102), we get a palindrome (641364888463146).

The spelling of 201222444241044 in words is "two hundred one trillion, two hundred twenty-two billion, four hundred forty-four million, two hundred forty-one thousand, forty-four".