99991042210041 has 16 divisors (see below), whose sum is σ = 133803787544064. Its totient is φ = 66419499775104.

The previous prime is 99991042209991. The next prime is 99991042210043. The reversal of 99991042210041 is 14001224019999.

It is a happy number.

It is not a de Polignac number, because 99991042210041 - 2¹⁷ = 99991042078969 is a prime.

It is a super-2 number, since 2×99991042210041² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99991042210043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118631605 + ... + 119471501.

It is an arithmetic number, because the mean of its divisors is an integer number (8362736721504).

Almost surely, 2^{99991042210041} is an apocalyptic number.

It is an amenable number.

99991042210041 is a deficient number, since it is larger than the sum of its proper divisors (33812745334023).

99991042210041 is a wasteful number, since it uses less digits than its factorization.

99991042210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983440.

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 99991042210041 in words is "ninety-nine trillion, nine hundred ninety-one billion, forty-two million, two hundred ten thousand, forty-one".