110221000200021 has 16 divisors (see below), whose sum is σ = 147011954693760. Its totient is φ = 73455360605760.

The previous prime is 110221000199851. The next prime is 110221000200029. The reversal of 110221000200021 is 120002000122011.

It is not a de Polignac number, because 110221000200021 - 2¹⁸ = 110220999937877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221000200029) 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, 101856835 + ... + 102933263.

It is an arithmetic number, because the mean of its divisors is an integer number (9188247168360).

Almost surely, 2^{110221000200021} is an apocalyptic number.

It is an amenable number.

110221000200021 is a deficient number, since it is larger than the sum of its proper divisors (36790954493739).

110221000200021 is a wasteful number, since it uses less digits than its factorization.

110221000200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088156.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110221000200021 its reverse (120002000122011), we get a palindrome (230223000322032).

The spelling of 110221000200021 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred thousand, twenty-one".