211230202 has 16 divisors (see below), whose sum is σ = 336349800. Its totient is φ = 99145728.

The previous prime is 211230199. The next prime is 211230221. The reversal of 211230202 is 202032112.

It can be written as a sum of positive squares in 4 ways, for example, as 187717401 + 23512801 = 13701^2 + 4849^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5674 + ... + 21322.

Almost surely, 2^211230202 is an apocalyptic number.

211230202 is a deficient number, since it is larger than the sum of its proper divisors (125119598).

211230202 is a wasteful number, since it uses less digits than its factorization.

211230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16065.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211230202 is about 14533.7607658858. The cubic root of 211230202 is about 595.5506067637.

Adding to 211230202 its reverse (202032112), we get a palindrome (413262314).

The spelling of 211230202 in words is "two hundred eleven million, two hundred thirty thousand, two hundred two".