22021110112213 has 2 divisors, whose sum is σ = 22021110112214. Its totient is φ = 22021110112212.

The previous prime is 22021110112109. The next prime is 22021110112241. The reversal of 22021110112213 is 31221101112022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15803503031044 + 6217607081169 = 3975362^2 + 2493513^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021110112213 - 2²¹ = 22021108015061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021110112513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010555056106 + 11010555056107.

It is an arithmetic number, because the mean of its divisors is an integer number (11010555056107).

Almost surely, 2^{22021110112213} is an apocalyptic number.

It is an amenable number.

22021110112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021110112213 is an equidigital number, since it uses as much as digits as its factorization.

22021110112213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22021110112213 its reverse (31221101112022), we get a palindrome (53242211224235).

The spelling of 22021110112213 in words is "twenty-two trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, two hundred thirteen".