213102220103 has 4 divisors (see below), whose sum is σ = 215799716640. Its totient is φ = 210404723568.

The previous prime is 213102220039. The next prime is 213102220109. The reversal of 213102220103 is 301022201312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213102220103 - 2⁶ = 213102220039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102220109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348748150 + ... + 1348748307.

It is an arithmetic number, because the mean of its divisors is an integer number (53949929160).

Almost surely, 2^213102220103 is an apocalyptic number.

213102220103 is a deficient number, since it is larger than the sum of its proper divisors (2697496537).

213102220103 is an equidigital number, since it uses as much as digits as its factorization.

213102220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697496536.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213102220103 its reverse (301022201312), we get a palindrome (514124421415).

The spelling of 213102220103 in words is "two hundred thirteen billion, one hundred two million, two hundred twenty thousand, one hundred three".