211002010 has 16 divisors (see below), whose sum is σ = 386970696. Its totient is φ = 82808128.

The previous prime is 211001981. The next prime is 211002013. The reversal of 211002010 is 10200112.

It can be written as a sum of positive squares in 4 ways, for example, as 209583529 + 1418481 = 14477^2 + 1191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211001984 and 211002002.

It is not an unprimeable number, because it can be changed into a prime (211002013) by changing a digit.

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, 198529 + ... + 199588.

Almost surely, 2^211002010 is an apocalyptic number.

211002010 is a deficient number, since it is larger than the sum of its proper divisors (175968686).

211002010 is a wasteful number, since it uses less digits than its factorization.

211002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398177.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 211002010 is about 14525.9082332225. The cubic root of 211002010 is about 595.3360717055.

Adding to 211002010 its reverse (10200112), we get a palindrome (221202122).

The spelling of 211002010 in words is "two hundred eleven million, two thousand, ten".