201211133044 has 12 divisors (see below), whose sum is σ = 353657124100. Its totient is φ = 100166240448.

The previous prime is 201211133021. The next prime is 201211133093. The reversal of 201211133044 is 440331112102.

It can be written as a sum of positive squares in 2 ways, for example, as 174505036644 + 26706096400 = 417738^2 + 163420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109830489 + ... + 109832320.

Almost surely, 2^201211133044 is an apocalyptic number.

It is an amenable number.

201211133044 is a deficient number, since it is larger than the sum of its proper divisors (152445991056).

201211133044 is a wasteful number, since it uses less digits than its factorization.

201211133044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219663042 (or 219663040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201211133044 its reverse (440331112102), we get a palindrome (641542245146).

The spelling of 201211133044 in words is "two hundred one billion, two hundred eleven million, one hundred thirty-three thousand, forty-four".