213144242102 has 12 divisors (see below), whose sum is σ = 351423771468. Its totient is φ = 96883746300.

The previous prime is 213144242089. The next prime is 213144242119. The reversal of 213144242102 is 201242441312.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 440380424 + ... + 440380907.

It is an arithmetic number, because the mean of its divisors is an integer number (29285314289).

Almost surely, 2^213144242102 is an apocalyptic number.

213144242102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213144242102 is a deficient number, since it is larger than the sum of its proper divisors (138279529366).

213144242102 is a wasteful number, since it uses less digits than its factorization.

213144242102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880761355 (or 880761344 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 213144242102 its reverse (201242441312), we get a palindrome (414386683414).

The spelling of 213144242102 in words is "two hundred thirteen billion, one hundred forty-four million, two hundred forty-two thousand, one hundred two".