211402130 has 8 divisors (see below), whose sum is σ = 380523852. Its totient is φ = 84560848.

The previous prime is 211402111. The next prime is 211402159. The reversal of 211402130 is 31204112.

It can be written as a sum of positive squares in 2 ways, for example, as 208715809 + 2686321 = 14447^2 + 1639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10570097 + ... + 10570116.

Almost surely, 2^211402130 is an apocalyptic number.

211402130 is a deficient number, since it is larger than the sum of its proper divisors (169121722).

211402130 is a wasteful number, since it uses less digits than its factorization.

211402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21140220.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211402130 is about 14539.6743429831. The cubic root of 211402130 is about 595.7121430973.

Adding to 211402130 its reverse (31204112), we get a palindrome (242606242).

The spelling of 211402130 in words is "two hundred eleven million, four hundred two thousand, one hundred thirty".