22101202213 has 2 divisors, whose sum is σ = 22101202214. Its totient is φ = 22101202212.

The previous prime is 22101202199. The next prime is 22101202219. The reversal of 22101202213 is 31220210122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20639057569 + 1462144644 = 143663^2 + 38238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101202213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101202219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050601106 + 11050601107.

It is an arithmetic number, because the mean of its divisors is an integer number (11050601107).

Almost surely, 2^22101202213 is an apocalyptic number.

It is an amenable number.

22101202213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101202213 is an equidigital number, since it uses as much as digits as its factorization.

22101202213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22101202213 its reverse (31220210122), we get a palindrome (53321412335).

The spelling of 22101202213 in words is "twenty-two billion, one hundred one million, two hundred two thousand, two hundred thirteen".