211201134244 has 12 divisors (see below), whose sum is σ = 391343278284. Its totient is φ = 99388769024.

The previous prime is 211201134181. The next prime is 211201134251. The reversal of 211201134244 is 442431102112.

It can be written as a sum of positive squares in 2 ways, for example, as 176702529600 + 34498604644 = 420360^2 + 185738^2 .

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, 1552949449 + ... + 1552949584.

It is an arithmetic number, because the mean of its divisors is an integer number (32611939857).

Almost surely, 2^211201134244 is an apocalyptic number.

It is an amenable number.

211201134244 is a deficient number, since it is larger than the sum of its proper divisors (180142144040).

211201134244 is a wasteful number, since it uses less digits than its factorization.

211201134244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105899054 (or 3105899052 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211201134244 its reverse (442431102112), we get a palindrome (653632236356).

The spelling of 211201134244 in words is "two hundred eleven billion, two hundred one million, one hundred thirty-four thousand, two hundred forty-four".