2211271125 has 64 divisors (see below), whose sum is σ = 4222513152. Its totient is φ = 1006708800.

The previous prime is 2211271109. The next prime is 2211271169. The reversal of 2211271125 is 5211721122.

It is a happy number.

2211271125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211271125 - 2⁴ = 2211271109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211271095 and 2211271104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688774 + ... + 691976.

It is an arithmetic number, because the mean of its divisors is an integer number (65976768).

Almost surely, 2^2211271125 is an apocalyptic number.

2211271125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2211271125 is a deficient number, since it is larger than the sum of its proper divisors (2011242027).

2211271125 is a wasteful number, since it uses less digits than its factorization.

2211271125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3481 counting only the distinct ones).

The product of its digits is 560, while the sum is 24.

The square root of 2211271125 is about 47024.1546973468. The cubic root of 2211271125 is about 1302.8087446863.

Adding to 2211271125 its reverse (5211721122), we get a palindrome (7422992247).

The spelling of 2211271125 in words is "two billion, two hundred eleven million, two hundred seventy-one thousand, one hundred twenty-five".