213113223102 has 32 divisors (see below), whose sum is σ = 464543388288. Its totient is φ = 64783257696.

The previous prime is 213113223091. The next prime is 213113223119. The reversal of 213113223102 is 201322311312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16452688 + ... + 16465635.

It is an arithmetic number, because the mean of its divisors is an integer number (14516980884).

Almost surely, 2^213113223102 is an apocalyptic number.

213113223102 is an abundant number, since it is smaller than the sum of its proper divisors (251430165186).

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

213113223102 is a wasteful number, since it uses less digits than its factorization.

213113223102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32918424.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213113223102 its reverse (201322311312), we get a palindrome (414435534414).

The spelling of 213113223102 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred two".