110000200000021 has 8 divisors (see below), whose sum is σ = 112558617984384. Its totient is φ = 107441794461120.

The previous prime is 110000200000003. The next prime is 110000200000063. The reversal of 110000200000021 is 120000002000011.

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

It is a cyclic number.

It is not a de Polignac number, because 110000200000021 - 2¹¹ = 110000199997973 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 (110000200000721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16140756 + ... + 21920866.

It is an arithmetic number, because the mean of its divisors is an integer number (14069827248048).

Almost surely, 2^{110000200000021} is an apocalyptic number.

It is an amenable number.

110000200000021 is a deficient number, since it is larger than the sum of its proper divisors (2558417984363).

110000200000021 is an equidigital number, since it uses as much as digits as its factorization.

110000200000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222731.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 110000200000021 its reverse (120000002000011), we get a palindrome (230000202000032).

The spelling of 110000200000021 in words is "one hundred ten trillion, two hundred million, twenty-one", and thus it is an aban number.