2115224211 has 8 divisors (see below), whose sum is σ = 2820513024. Its totient is φ = 1410042440.

The previous prime is 2115224197. The next prime is 2115224239. The reversal of 2115224211 is 1124225112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2115224211 - 2⁵ = 2115224179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2115224311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55306 + ... + 85376.

It is an arithmetic number, because the mean of its divisors is an integer number (352564128).

Almost surely, 2^2115224211 is an apocalyptic number.

2115224211 is a deficient number, since it is larger than the sum of its proper divisors (705288813).

2115224211 is a wasteful number, since it uses less digits than its factorization.

2115224211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53521.

The product of its digits is 320, while the sum is 21.

The square root of 2115224211 is about 45991.5667378271. The cubic root of 2115224211 is about 1283.6662894034. Note that the first 3 decimals are identical.

Adding to 2115224211 its reverse (1124225112), we get a palindrome (3239449323).

Subtracting from 2115224211 its reverse (1124225112), we obtain a palindrome (990999099).

The spelling of 2115224211 in words is "two billion, one hundred fifteen million, two hundred twenty-four thousand, two hundred eleven".