211133416225 has 12 divisors (see below), whose sum is σ = 261812528640. Its totient is φ = 168902157200.

The previous prime is 211133416213. The next prime is 211133416297. The reversal of 211133416225 is 522614331112.

It is not a de Polignac number, because 211133416225 - 2⁷ = 211133416097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065516 + ... + 1248034.

It is an arithmetic number, because the mean of its divisors is an integer number (21817710720).

Almost surely, 2^211133416225 is an apocalyptic number.

211133416225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211133416225 is a deficient number, since it is larger than the sum of its proper divisors (50679112415).

211133416225 is a wasteful number, since it uses less digits than its factorization.

211133416225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228800 (or 228795 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 211133416225 its reverse (522614331112), we get a palindrome (733747747337).

The spelling of 211133416225 in words is "two hundred eleven billion, one hundred thirty-three million, four hundred sixteen thousand, two hundred twenty-five".