99341962121 has 4 divisors (see below), whose sum is σ = 99346139652. Its totient is φ = 99337784592.

The previous prime is 99341962091. The next prime is 99341962133. The reversal of 99341962121 is 12126914399.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88140703225 + 11201258896 = 296885^2 + 105836^2 .

It is a cyclic number.

It is not a de Polignac number, because 99341962121 - 2²⁶ = 99274853257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99341962021) 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 in 3 ways as a sum of consecutive naturals, for example, 2052890 + ... + 2100723.

It is an arithmetic number, because the mean of its divisors is an integer number (24836534913).

Almost surely, 2^99341962121 is an apocalyptic number.

It is an amenable number.

99341962121 is a deficient number, since it is larger than the sum of its proper divisors (4177531).

99341962121 is a wasteful number, since it uses less digits than its factorization.

99341962121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177530.

The product of its digits is 209952, while the sum is 47.

The spelling of 99341962121 in words is "ninety-nine billion, three hundred forty-one million, nine hundred sixty-two thousand, one hundred twenty-one".