22212111113 has 2 divisors, whose sum is σ = 22212111114. Its totient is φ = 22212111112.

The previous prime is 22212111091. The next prime is 22212111137. The reversal of 22212111113 is 31111121222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21507102409 + 705008704 = 146653^2 + 26552^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212111113 - 2¹² = 22212107017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22212111091 and 22212111100.

It is not a weakly prime, because it can be changed into another prime (22212117113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106055556 + 11106055557.

It is an arithmetic number, because the mean of its divisors is an integer number (11106055557).

Almost surely, 2^22212111113 is an apocalyptic number.

It is an amenable number.

22212111113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212111113 is an equidigital number, since it uses as much as digits as its factorization.

22212111113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 17.

Adding to 22212111113 its reverse (31111121222), we get a palindrome (53323232335).

The spelling of 22212111113 in words is "twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred thirteen".