213202122103 has 4 divisors (see below), whose sum is σ = 213241384048. Its totient is φ = 213162860160.

The previous prime is 213202122101. The next prime is 213202122127. The reversal of 213202122103 is 301221202312.

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 213202122103 - 2¹ = 213202122101 is a prime.

It is a super-2 number, since 2×213202122103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202122101) 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, 19622826 + ... + 19633687.

It is an arithmetic number, because the mean of its divisors is an integer number (53310346012).

Almost surely, 2^213202122103 is an apocalyptic number.

213202122103 is a deficient number, since it is larger than the sum of its proper divisors (39261945).

213202122103 is an equidigital number, since it uses as much as digits as its factorization.

213202122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39261944.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213202122103 its reverse (301221202312), we get a palindrome (514423324415).

The spelling of 213202122103 in words is "two hundred thirteen billion, two hundred two million, one hundred twenty-two thousand, one hundred three".