110100002020021 has 8 divisors (see below), whose sum is σ = 118570113638424. Its totient is φ = 101630016215040.

The previous prime is 110100002020009. The next prime is 110100002020031. The reversal of 110100002020021 is 120020200001011.

It can be written as a sum of positive squares in 4 ways, for example, as 20901629548900 + 89198372471121 = 4571830^2 + 9444489^2 .

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 110100002020021 - 2²⁵ = 110099968465589 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 (110100002020031) 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, 29631916 + ... + 33139861.

It is an arithmetic number, because the mean of its divisors is an integer number (14821264204803).

Almost surely, 2^{110100002020021} is an apocalyptic number.

It is an amenable number.

110100002020021 is a deficient number, since it is larger than the sum of its proper divisors (8470111618403).

110100002020021 is a wasteful number, since it uses less digits than its factorization.

110100002020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62906711.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 110100002020021 its reverse (120020200001011), we get a palindrome (230120202021032).

The spelling of 110100002020021 in words is "one hundred ten trillion, one hundred billion, two million, twenty thousand, twenty-one".