110201200220021 has 4 divisors (see below), whose sum is σ = 110387036983212. Its totient is φ = 110015363456832.

The previous prime is 110201200219963. The next prime is 110201200220047. The reversal of 110201200220021 is 120022002102011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26767316553796 + 83433883666225 = 5173714^2 + 9134215^2 .

It is a cyclic number.

It is not a de Polignac number, because 110201200220021 - 2¹⁴ = 110201200203637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110201200219978 and 110201200220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110201200226021) 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, 92918380706 + ... + 92918381891.

It is an arithmetic number, because the mean of its divisors is an integer number (27596759245803).

Almost surely, 2^{110201200220021} is an apocalyptic number.

It is an amenable number.

110201200220021 is a deficient number, since it is larger than the sum of its proper divisors (185836763191).

110201200220021 is an equidigital number, since it uses as much as digits as its factorization.

110201200220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185836763190.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110201200220021 its reverse (120022002102011), we get a palindrome (230223202322032).

The spelling of 110201200220021 in words is "one hundred ten trillion, two hundred one billion, two hundred million, two hundred twenty thousand, twenty-one".