2115226211 has 32 divisors (see below), whose sum is σ = 2586083328. Its totient is φ = 1690809120.

The previous prime is 2115226189. The next prime is 2115226229. The reversal of 2115226211 is 1126225112.

It is not a de Polignac number, because 2115226211 - 2⁶ = 2115226147 is a prime.

It is a super-3 number, since 3×2115226211³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115228211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3351866 + ... + 3352496.

It is an arithmetic number, because the mean of its divisors is an integer number (80815104).

Almost surely, 2^2115226211 is an apocalyptic number.

2115226211 is a deficient number, since it is larger than the sum of its proper divisors (470857117).

2115226211 is a wasteful number, since it uses less digits than its factorization.

2115226211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 480, while the sum is 23.

The square root of 2115226211 is about 45991.5884809386. The cubic root of 2115226211 is about 1283.6666939833. Note that the first 4 decimals are identical.

The spelling of 2115226211 in words is "two billion, one hundred fifteen million, two hundred twenty-six thousand, two hundred eleven".