213400021103 has 2 divisors, whose sum is σ = 213400021104. Its totient is φ = 213400021102.

The previous prime is 213400021091. The next prime is 213400021111. The reversal of 213400021103 is 301120004312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213400021103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213400021403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106700010551 + 106700010552.

It is an arithmetic number, because the mean of its divisors is an integer number (106700010552).

Almost surely, 2^213400021103 is an apocalyptic number.

213400021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

213400021103 is an equidigital number, since it uses as much as digits as its factorization.

213400021103 is an evil number, because the sum of its binary digits is even.

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

Adding to 213400021103 its reverse (301120004312), we get a palindrome (514520025415).

The spelling of 213400021103 in words is "two hundred thirteen billion, four hundred million, twenty-one thousand, one hundred three".