110021121019999 has 8 divisors (see below), whose sum is σ = 125744639321088. Its totient is φ = 94299156543480.

The previous prime is 110021121019963. The next prime is 110021121020023. The reversal of 110021121019999 is 999910121120011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 110021121019999 - 2²⁵ = 110021087465567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021121014999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388304407 + ... + 388587640.

It is an arithmetic number, because the mean of its divisors is an integer number (15718079915136).

Almost surely, 2^{110021121019999} is an apocalyptic number.

110021121019999 is a deficient number, since it is larger than the sum of its proper divisors (15723518301089).

110021121019999 is an equidigital number, since it uses as much as digits as its factorization.

110021121019999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776912285.

The product of its (nonzero) digits is 26244, while the sum is 46.

The spelling of 110021121019999 in words is "one hundred ten trillion, twenty-one billion, one hundred twenty-one million, nineteen thousand, nine hundred ninety-nine".