22101121213 has 2 divisors, whose sum is σ = 22101121214. Its totient is φ = 22101121212.

The previous prime is 22101121193. The next prime is 22101121321. The reversal of 22101121213 is 31212110122.

Together with next prime (22101121321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21188295844 + 912825369 = 145562^2 + 30213^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101121213 - 2¹⁷ = 22100990141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050560606 + 11050560607.

It is an arithmetic number, because the mean of its divisors is an integer number (11050560607).

Almost surely, 2^22101121213 is an apocalyptic number.

It is an amenable number.

22101121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101121213 is an equidigital number, since it uses as much as digits as its factorization.

22101121213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22101121213 its reverse (31212110122), we get a palindrome (53313231335).

The spelling of 22101121213 in words is "twenty-two billion, one hundred one million, one hundred twenty-one thousand, two hundred thirteen".