210213100402 has 16 divisors (see below), whose sum is σ = 324802796760. Its totient is φ = 101962361088.

The previous prime is 210213100397. The next prime is 210213100417. The reversal of 210213100402 is 204001312012.

It can be written as a sum of positive squares in 4 ways, for example, as 204720956521 + 5492143881 = 452461^2 + 74109^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189777 + ... + 4239652.

Almost surely, 2^210213100402 is an apocalyptic number.

210213100402 is a deficient number, since it is larger than the sum of its proper divisors (114589696358).

210213100402 is a wasteful number, since it uses less digits than its factorization.

210213100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8429805.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210213100402 its reverse (204001312012), we get a palindrome (414214412414).

The spelling of 210213100402 in words is "two hundred ten billion, two hundred thirteen million, one hundred thousand, four hundred two".