110200221120021 has 4 divisors (see below), whose sum is σ = 146933628160032. Its totient is φ = 73466814080012.

The previous prime is 110200221120019. The next prime is 110200221120079. The reversal of 110200221120021 is 120021122002011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110200221120021 - 2¹ = 110200221120019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200221120091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18366703520001 + ... + 18366703520006.

It is an arithmetic number, because the mean of its divisors is an integer number (36733407040008).

Almost surely, 2^{110200221120021} is an apocalyptic number.

It is an amenable number.

110200221120021 is a deficient number, since it is larger than the sum of its proper divisors (36733407040011).

110200221120021 is an equidigital number, since it uses as much as digits as its factorization.

110200221120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36733407040010.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110200221120021 its reverse (120021122002011), we get a palindrome (230221343122032).

The spelling of 110200221120021 in words is "one hundred ten trillion, two hundred billion, two hundred twenty-one million, one hundred twenty thousand, twenty-one".