211401130 has 24 divisors (see below), whose sum is σ = 387144612. Its totient is φ = 83113536.

The previous prime is 211401109. The next prime is 211401143. The reversal of 211401130 is 31104112.

It can be written as a sum of positive squares in 2 ways, for example, as 205549569 + 5851561 = 14337^2 + 2419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211401130.

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, 31774 + ... + 37846.

Almost surely, 2^211401130 is an apocalyptic number.

211401130 is a deficient number, since it is larger than the sum of its proper divisors (175743482).

211401130 is an equidigital number, since it uses as much as digits as its factorization.

211401130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198 (or 6139 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 211401130 is about 14539.6399542767. The cubic root of 211401130 is about 595.7112037925.

Adding to 211401130 its reverse (31104112), we get a palindrome (242505242).

The spelling of 211401130 in words is "two hundred eleven million, four hundred one thousand, one hundred thirty".