110002011202021 has 4 divisors (see below), whose sum is σ = 110003957886700. Its totient is φ = 110000064517344.

The previous prime is 110002011201997. The next prime is 110002011202067. The reversal of 110002011202021 is 120202110200011.

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 71136387509121 + 38865623692900 = 8434239^2 + 6234230^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002011202021 - 2¹⁷ = 110002011070949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110002011201992 and 110002011202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002011208021) 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, 973257576 + ... + 973370593.

It is an arithmetic number, because the mean of its divisors is an integer number (27500989471675).

Almost surely, 2^{110002011202021} is an apocalyptic number.

It is an amenable number.

110002011202021 is a deficient number, since it is larger than the sum of its proper divisors (1946684679).

110002011202021 is an equidigital number, since it uses as much as digits as its factorization.

110002011202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946684678.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110002011202021 its reverse (120202110200011), we get a palindrome (230204121402032).

The spelling of 110002011202021 in words is "one hundred ten trillion, two billion, eleven million, two hundred two thousand, twenty-one".