10112122220191 has 2 divisors, whose sum is σ = 10112122220192. Its totient is φ = 10112122220190.

The previous prime is 10112122220177. The next prime is 10112122220303. The reversal of 10112122220191 is 19102222121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10112122220191 - 2¹³ = 10112122211999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112122220491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056061110095 + 5056061110096.

It is an arithmetic number, because the mean of its divisors is an integer number (5056061110096).

Almost surely, 2^{10112122220191} is an apocalyptic number.

10112122220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112122220191 is an equidigital number, since it uses as much as digits as its factorization.

10112122220191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 10112122220191 its reverse (19102222121101), we get a palindrome (29214344341292).

The spelling of 10112122220191 in words is "ten trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred ninety-one".