99001121003 has 2 divisors, whose sum is σ = 99001121004. Its totient is φ = 99001121002.

The previous prime is 99001120979. The next prime is 99001121029. The reversal of 99001121003 is 30012110099.

It is an a-pointer prime, because the next prime (99001121029) can be obtained adding 99001121003 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (30012110099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99001121003 - 2¹⁰ = 99001119979 is a prime.

It is not a weakly prime, because it can be changed into another prime (99001121033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500560501 + 49500560502.

It is an arithmetic number, because the mean of its divisors is an integer number (49500560502).

Almost surely, 2^99001121003 is an apocalyptic number.

99001121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

99001121003 is an equidigital number, since it uses as much as digits as its factorization.

99001121003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The spelling of 99001121003 in words is "ninety-nine billion, one million, one hundred twenty-one thousand, three".