213023021103 has 12 divisors (see below), whose sum is σ = 308187566128. Its totient is φ = 141790279680.

The previous prime is 213023021089. The next prime is 213023021117. The reversal of 213023021103 is 301120320312.

It is an interprime number because it is at equal distance from previous prime (213023021089) and next prime (213023021117).

It is not a de Polignac number, because 213023021103 - 2²⁸ = 212754585647 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 (213023021153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18749650 + ... + 18761007.

Almost surely, 2^213023021103 is an apocalyptic number.

213023021103 is a deficient number, since it is larger than the sum of its proper divisors (95164545025).

213023021103 is a wasteful number, since it uses less digits than its factorization.

213023021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37511294 (or 37511291 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213023021103 its reverse (301120320312), we get a palindrome (514143341415).

The spelling of 213023021103 in words is "two hundred thirteen billion, twenty-three million, twenty-one thousand, one hundred three".