2125115211 has 32 divisors (see below), whose sum is σ = 3025728000. Its totient is φ = 1322880768.

The previous prime is 2125115171. The next prime is 2125115227. The reversal of 2125115211 is 1125115212.

It is not a de Polignac number, because 2125115211 - 2⁶ = 2125115147 is a prime.

It is a super-2 number, since 2×2125115211² = 9032229320047149042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2125115231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2581746 + ... + 2582568.

It is an arithmetic number, because the mean of its divisors is an integer number (94554000).

Almost surely, 2^2125115211 is an apocalyptic number.

2125115211 is a deficient number, since it is larger than the sum of its proper divisors (900612789).

2125115211 is a wasteful number, since it uses less digits than its factorization.

2125115211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 200, while the sum is 21.

The square root of 2125115211 is about 46098.9719082758. The cubic root of 2125115211 is about 1285.6640294130.

Subtracting from 2125115211 its reverse (1125115212), we obtain a palindrome (999999999).

The spelling of 2125115211 in words is "two billion, one hundred twenty-five million, one hundred fifteen thousand, two hundred eleven".