22223203121213 has 2 divisors, whose sum is σ = 22223203121214. Its totient is φ = 22223203121212.

The previous prime is 22223203121183. The next prime is 22223203121281. The reversal of 22223203121213 is 31212130232222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11568345105529 + 10654858015684 = 3401227^2 + 3264178^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223203121213 - 2²⁴ = 22223186343997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22223203121513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111601560606 + 11111601560607.

It is an arithmetic number, because the mean of its divisors is an integer number (11111601560607).

Almost surely, 2^{22223203121213} is an apocalyptic number.

It is an amenable number.

22223203121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223203121213 is an equidigital number, since it uses as much as digits as its factorization.

22223203121213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22223203121213 its reverse (31212130232222), we get a palindrome (53435333353435).

The spelling of 22223203121213 in words is "twenty-two trillion, two hundred twenty-three billion, two hundred three million, one hundred twenty-one thousand, two hundred thirteen".