20112105222907 has 2 divisors, whose sum is σ = 20112105222908. Its totient is φ = 20112105222906.

The previous prime is 20112105222901. The next prime is 20112105222949. The reversal of 20112105222907 is 70922250121102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20112105222907 - 2³¹ = 20109957739259 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112105222901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056052611453 + 10056052611454.

It is an arithmetic number, because the mean of its divisors is an integer number (10056052611454).

Almost surely, 2^{20112105222907} is an apocalyptic number.

20112105222907 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112105222907 is an equidigital number, since it uses as much as digits as its factorization.

20112105222907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 20112105222907 in words is "twenty trillion, one hundred twelve billion, one hundred five million, two hundred twenty-two thousand, nine hundred seven".