121056199003 has 2 divisors, whose sum is σ = 121056199004. Its totient is φ = 121056199002.

The previous prime is 121056198961. The next prime is 121056199063. The reversal of 121056199003 is 300991650121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121056199003 is a prime.

It is not a weakly prime, because it can be changed into another prime (121056199063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60528099501 + 60528099502.

It is an arithmetic number, because the mean of its divisors is an integer number (60528099502).

Almost surely, 2^121056199003 is an apocalyptic number.

121056199003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121056199003 is an equidigital number, since it uses as much as digits as its factorization.

121056199003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 37.

The spelling of 121056199003 in words is "one hundred twenty-one billion, fifty-six million, one hundred ninety-nine thousand, three".