121099223059 has 2 divisors, whose sum is σ = 121099223060. Its totient is φ = 121099223058.

The previous prime is 121099223051. The next prime is 121099223083. The reversal of 121099223059 is 950322990121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121099223059 - 2³ = 121099223051 is a prime.

It is not a weakly prime, because it can be changed into another prime (121099223051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60549611529 + 60549611530.

It is an arithmetic number, because the mean of its divisors is an integer number (60549611530).

Almost surely, 2^121099223059 is an apocalyptic number.

121099223059 is a deficient number, since it is larger than the sum of its proper divisors (1).

121099223059 is an equidigital number, since it uses as much as digits as its factorization.

121099223059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 121099223059 in words is "one hundred twenty-one billion, ninety-nine million, two hundred twenty-three thousand, fifty-nine".