213230021103 has 32 divisors (see below), whose sum is σ = 345201534720. Its totient is φ = 129010056480.

The previous prime is 213230021071. The next prime is 213230021141. The reversal of 213230021103 is 301120032312.

It is not a de Polignac number, because 213230021103 - 2⁵ = 213230021071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230021903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437200 + ... + 785877.

It is an arithmetic number, because the mean of its divisors is an integer number (10787547960).

Almost surely, 2^213230021103 is an apocalyptic number.

213230021103 is a deficient number, since it is larger than the sum of its proper divisors (131971513617).

213230021103 is a wasteful number, since it uses less digits than its factorization.

213230021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223684 (or 1223678 counting only the distinct ones).

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

Adding to 213230021103 its reverse (301120032312), we get a palindrome (514350053415).

The spelling of 213230021103 in words is "two hundred thirteen billion, two hundred thirty million, twenty-one thousand, one hundred three".