110221021999999 has 4 divisors (see below), whose sum is σ = 111866111880664. Its totient is φ = 108575932119336.

The previous prime is 110221021999981. The next prime is 110221022000003. The reversal of 110221021999999 is 999999120122011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110221021999999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110221021999999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221021199999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822544940232 + ... + 822544940365.

It is an arithmetic number, because the mean of its divisors is an integer number (27966527970166).

Almost surely, 2^{110221021999999} is an apocalyptic number.

110221021999999 is a deficient number, since it is larger than the sum of its proper divisors (1645089880665).

110221021999999 is an equidigital number, since it uses as much as digits as its factorization.

110221021999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645089880664.

The product of its (nonzero) digits is 4251528, while the sum is 64.

The spelling of 110221021999999 in words is "one hundred ten trillion, two hundred twenty-one billion, twenty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".