213211098 has 24 divisors (see below), whose sum is σ = 462384468. Its totient is φ = 71004672.

The previous prime is 213211067. The next prime is 213211099. The reversal of 213211098 is 890112312.

It can be written as a sum of positive squares in 2 ways, for example, as 209873169 + 3337929 = 14487^2 + 1827^2 .

It is not an unprimeable number, because it can be changed into a prime (213211099) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17040 + ... + 26772.

Almost surely, 2^213211098 is an apocalyptic number.

213211098 is an abundant number, since it is smaller than the sum of its proper divisors (249173370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213211098 is a wasteful number, since it uses less digits than its factorization.

213211098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10958 (or 10955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 213211098 is about 14601.7498266475. The cubic root of 213211098 is about 597.4064889869.

The spelling of 213211098 in words is "two hundred thirteen million, two hundred eleven thousand, ninety-eight".