110133202021 has 4 divisors (see below), whose sum is σ = 110288538700. Its totient is φ = 109977865344.

The previous prime is 110133202007. The next prime is 110133202079. The reversal of 110133202021 is 120202331011.

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 13803665121 + 96329536900 = 117489^2 + 310370^2 .

It is a cyclic number.

It is not a de Polignac number, because 110133202021 - 2¹¹ = 110133199973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110133201986 and 110133202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110133202121) 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, 77667276 + ... + 77668693.

It is an arithmetic number, because the mean of its divisors is an integer number (27572134675).

Almost surely, 2^110133202021 is an apocalyptic number.

It is an amenable number.

110133202021 is a deficient number, since it is larger than the sum of its proper divisors (155336679).

110133202021 is an equidigital number, since it uses as much as digits as its factorization.

110133202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155336678.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 110133202021 its reverse (120202331011), we get a palindrome (230335533032).

The spelling of 110133202021 in words is "one hundred ten billion, one hundred thirty-three million, two hundred two thousand, twenty-one".