121201133099 has 2 divisors, whose sum is σ = 121201133100. Its totient is φ = 121201133098.

The previous prime is 121201133069. The next prime is 121201133143. The reversal of 121201133099 is 990331102121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121201133099 - 2¹⁶ = 121201067563 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201133029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600566549 + 60600566550.

It is an arithmetic number, because the mean of its divisors is an integer number (60600566550).

Almost surely, 2^121201133099 is an apocalyptic number.

121201133099 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201133099 is an equidigital number, since it uses as much as digits as its factorization.

121201133099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 121201133099 in words is "one hundred twenty-one billion, two hundred one million, one hundred thirty-three thousand, ninety-nine".