22103113213 has 4 divisors (see below), whose sum is σ = 22147056288. Its totient is φ = 22059170140.

The previous prime is 22103113199. The next prime is 22103113247. The reversal of 22103113213 is 31231130122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31231130122 = 2 ⋅15615565061.

It is a cyclic number.

It is not a de Polignac number, because 22103113213 - 2²¹ = 22101016061 is a prime.

It is a super-2 number, since 2×22103113213² (a number of 21 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 (22103113273) 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, 21970783 + ... + 21971788.

It is an arithmetic number, because the mean of its divisors is an integer number (5536764072).

Almost surely, 2^22103113213 is an apocalyptic number.

It is an amenable number.

22103113213 is a deficient number, since it is larger than the sum of its proper divisors (43943075).

22103113213 is an equidigital number, since it uses as much as digits as its factorization.

22103113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43943074.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22103113213 its reverse (31231130122), we get a palindrome (53334243335).

The spelling of 22103113213 in words is "twenty-two billion, one hundred three million, one hundred thirteen thousand, two hundred thirteen".