121112122101199 has 2 divisors, whose sum is σ = 121112122101200. Its totient is φ = 121112122101198.

The previous prime is 121112122101049. The next prime is 121112122101241. The reversal of 121112122101199 is 991101221211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112122101199 - 2²³ = 121112113712591 is a prime.

It is a super-2 number, since 2×121112122101199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112122401199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556061050599 + 60556061050600.

It is an arithmetic number, because the mean of its divisors is an integer number (60556061050600).

Almost surely, 2^{121112122101199} is an apocalyptic number.

121112122101199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112122101199 is an equidigital number, since it uses as much as digits as its factorization.

121112122101199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 121112122101199 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred one thousand, one hundred ninety-nine".