211133124040 has 16 divisors (see below), whose sum is σ = 475049529180. Its totient is φ = 84453249600.

The previous prime is 211133124001. The next prime is 211133124067. The reversal of 211133124040 is 40421331112.

It can be written as a sum of positive squares in 2 ways, for example, as 211046522404 + 86601636 = 459398^2 + 9306^2 .

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, 2639164011 + ... + 2639164090.

Almost surely, 2^211133124040 is an apocalyptic number.

211133124040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211133124040 is an abundant number, since it is smaller than the sum of its proper divisors (263916405140).

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

211133124040 is a wasteful number, since it uses less digits than its factorization.

211133124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278328112 (or 5278328108 counting only the distinct ones).

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

Adding to 211133124040 its reverse (40421331112), we get a palindrome (251554455152).

The spelling of 211133124040 in words is "two hundred eleven billion, one hundred thirty-three million, one hundred twenty-four thousand, forty".