110202030021 has 32 divisors (see below), whose sum is σ = 151345152000. Its totient is φ = 71292588480.

The previous prime is 110202030011. The next prime is 110202030041. The reversal of 110202030021 is 120030202011.

It is not a de Polignac number, because 110202030021 - 2¹⁰ = 110202028997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110202029979 and 110202030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202030011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8802156 + ... + 8814666.

It is an arithmetic number, because the mean of its divisors is an integer number (4729536000).

Almost surely, 2^110202030021 is an apocalyptic number.

It is an amenable number.

110202030021 is a deficient number, since it is larger than the sum of its proper divisors (41143121979).

110202030021 is a wasteful number, since it uses less digits than its factorization.

110202030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 110202030021 its reverse (120030202011), we get a palindrome (230232232032).

The spelling of 110202030021 in words is "one hundred ten billion, two hundred two million, thirty thousand, twenty-one".