22121112107 has 2 divisors, whose sum is σ = 22121112108. Its totient is φ = 22121112106.

The previous prime is 22121112067. The next prime is 22121112119. The reversal of 22121112107 is 70121112122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121112107 - 2¹⁰ = 22121111083 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121112907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060556053 + 11060556054.

It is an arithmetic number, because the mean of its divisors is an integer number (11060556054).

Almost surely, 2^22121112107 is an apocalyptic number.

22121112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121112107 is an equidigital number, since it uses as much as digits as its factorization.

22121112107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 22121112107 its reverse (70121112122), we get a palindrome (92242224229).

The spelling of 22121112107 in words is "twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred seven".