11202161213 has 2 divisors, whose sum is σ = 11202161214. Its totient is φ = 11202161212.

The previous prime is 11202161197. The next prime is 11202161233. The reversal of 11202161213 is 31216120211.

It is an a-pointer prime, because the next prime (11202161233) can be obtained adding 11202161213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5966481049 + 5235680164 = 77243^2 + 72358^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202161213 - 2⁴ = 11202161197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202161233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601080606 + 5601080607.

It is an arithmetic number, because the mean of its divisors is an integer number (5601080607).

Almost surely, 2^11202161213 is an apocalyptic number.

It is an amenable number.

11202161213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202161213 is an equidigital number, since it uses as much as digits as its factorization.

11202161213 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 20.

Adding to 11202161213 its reverse (31216120211), we get a palindrome (42418281424).

The spelling of 11202161213 in words is "eleven billion, two hundred two million, one hundred sixty-one thousand, two hundred thirteen".