201044431211 has 12 divisors (see below), whose sum is σ = 217864040040. Its totient is φ = 185438784960.

The previous prime is 201044431199. The next prime is 201044431253. The reversal of 201044431211 is 112134440102.

It is a de Polignac number, because none of the positive numbers 2^k-201044431211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044431261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227021 + ... + 673518.

It is an arithmetic number, because the mean of its divisors is an integer number (18155336670).

Almost surely, 2^201044431211 is an apocalyptic number.

201044431211 is a deficient number, since it is larger than the sum of its proper divisors (16819608829).

201044431211 is a wasteful number, since it uses less digits than its factorization.

201044431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901886 (or 901873 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201044431211 its reverse (112134440102), we get a palindrome (313178871313).

The spelling of 201044431211 in words is "two hundred one billion, forty-four million, four hundred thirty-one thousand, two hundred eleven".