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BaseRepresentation
bin11001001010100…
…10100110110010
3112201020002200102
430211102212302
5413020232010
632540352402
75142224051
oct1445224662
9481202612
10211102130
11a9186178
125a845702
1334973705
1420072398
15137edba5
hexc9529b2

211102130 has 16 divisors (see below), whose sum is σ = 385190424. Its totient is φ = 83283840.

The previous prime is 211102123. The next prime is 211102159. The reversal of 211102130 is 31201112.

It can be written as a sum of positive squares in 4 ways, for example, as 202179961 + 8922169 = 14219^2 + 2987^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143861 + ... + 145320.

Almost surely, 2211102130 is an apocalyptic number.

211102130 is a deficient number, since it is larger than the sum of its proper divisors (174088294).

211102130 is a wasteful number, since it uses less digits than its factorization.

211102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289261.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 211102130 is about 14529.3540806190. The cubic root of 211102130 is about 595.4302187115.

Adding to 211102130 its reverse (31201112), we get a palindrome (242303242).

The spelling of 211102130 in words is "two hundred eleven million, one hundred two thousand, one hundred thirty".